diff --git a/src/Material-Design-Lite-Widgets/Collection.extension.st b/src/Material-Design-Lite-Widgets/Collection.extension.st
new file mode 100644
index 00000000..b0e10b2f
--- /dev/null
+++ b/src/Material-Design-Lite-Widgets/Collection.extension.st
@@ -0,0 +1,10 @@
+Extension { #name : #Collection }
+
+{ #category : #'*Material-Design-Lite-Widgets' }
+Collection >> selectMatchingFromMDLFilter: mdlFilter format: aFormatBlock with: aPattern [
+	^ self
+		select: [ :each | 
+			mdlFilter
+				formatedElement: (aFormatBlock value: each)
+				matches: aPattern ]
+]
diff --git a/src/Material-Design-Lite-Widgets/MDLAbstractFilter.class.st b/src/Material-Design-Lite-Widgets/MDLAbstractFilter.class.st
index 8cc0bb48..ef56df41 100644
--- a/src/Material-Design-Lite-Widgets/MDLAbstractFilter.class.st
+++ b/src/Material-Design-Lite-Widgets/MDLAbstractFilter.class.st
@@ -27,5 +27,13 @@ MDLAbstractFilter class >> isAbstract [
 MDLAbstractFilter class >> selectMatchingFrom: aCollection format: aFormatBlock with: aPattern [
 	"I take as parameter a collection of elements to match, a block to get the readable format of the element and a pattern and I should return a collection of elements matching the pattern in their readable format."
 
-	^ aCollection select: [ :each | self formatedElement: (aFormatBlock value: each) matches: aPattern ]
+	^ aCollection selectMatchingFromMDLFilter: self format: aFormatBlock with: aPattern
+]
+
+{ #category : #accessing }
+MDLAbstractFilter class >> selectMatchingOnQueryCollection: aQueryCollection with: aFormatBlock like: aPattern [
+	|newQuery|
+	newQuery := aQueryCollection copy.
+	self applySelectMatchingOnQueryCollection: newQuery with: aFormatBlock like: aPattern.
+	^ newQuery
 ]
diff --git a/src/Material-Design-Lite-Widgets/MDLBeginsWithFilter.class.st b/src/Material-Design-Lite-Widgets/MDLBeginsWithFilter.class.st
index e53ee53e..0fa8ce04 100644
--- a/src/Material-Design-Lite-Widgets/MDLBeginsWithFilter.class.st
+++ b/src/Material-Design-Lite-Widgets/MDLBeginsWithFilter.class.st
@@ -4,9 +4,17 @@ I am a nested list filter keeping only elements whose name begins with the patte
 Class {
 	#name : #MDLBeginsWithFilter,
 	#superclass : #MDLAbstractFilter,
-	#category : 'Material-Design-Lite-Widgets-List'
+	#category : #'Material-Design-Lite-Widgets-List'
 }
 
+{ #category : #accessing }
+MDLBeginsWithFilter class >> applySelectMatchingOnQueryCollection: aQueryCollection with: aFormatBlock like: aPattern [
+
+	^ aQueryCollection wrappedQuery
+		with: aFormatBlock
+		like: aPattern , '%'
+]
+
 { #category : #accessing }
 MDLBeginsWithFilter class >> formatedElement: aString matches: aPattern [
 	^ aString beginsWith: aPattern
diff --git a/src/Material-Design-Lite-Widgets/MDLInsensitiveBeginsWithFilter.class.st b/src/Material-Design-Lite-Widgets/MDLInsensitiveBeginsWithFilter.class.st
index 4721f978..4ed9749b 100644
--- a/src/Material-Design-Lite-Widgets/MDLInsensitiveBeginsWithFilter.class.st
+++ b/src/Material-Design-Lite-Widgets/MDLInsensitiveBeginsWithFilter.class.st
@@ -4,9 +4,16 @@ I am a nested list filter keeping only elements whose name begins with the patte
 Class {
 	#name : #MDLInsensitiveBeginsWithFilter,
 	#superclass : #MDLAbstractFilter,
-	#category : 'Material-Design-Lite-Widgets-List'
+	#category : #'Material-Design-Lite-Widgets-List'
 }
 
+{ #category : #accessing }
+MDLInsensitiveBeginsWithFilter class >> applySelectMatchingOnQueryCollection: aQueryCollection with: aFormatBlock like: aPattern [
+	^ aQueryCollection wrappedQuery
+		with: aFormatBlock
+		ilike: aPattern , '%'
+]
+
 { #category : #accessing }
 MDLInsensitiveBeginsWithFilter class >> formatedElement: aString matches: aPattern [
 	^ aString asLowercase beginsWith: aPattern asLowercase
diff --git a/src/Material-Design-Lite-Widgets/MDLInsensitiveSubstringFilter.class.st b/src/Material-Design-Lite-Widgets/MDLInsensitiveSubstringFilter.class.st
index 1f2ed870..8058767b 100644
--- a/src/Material-Design-Lite-Widgets/MDLInsensitiveSubstringFilter.class.st
+++ b/src/Material-Design-Lite-Widgets/MDLInsensitiveSubstringFilter.class.st
@@ -4,9 +4,16 @@ I am a nested list filter keeping only elements whose name includes  the pattern
 Class {
 	#name : #MDLInsensitiveSubstringFilter,
 	#superclass : #MDLAbstractFilter,
-	#category : 'Material-Design-Lite-Widgets-List'
+	#category : #'Material-Design-Lite-Widgets-List'
 }
 
+{ #category : #accessing }
+MDLInsensitiveSubstringFilter class >> applySelectMatchingOnQueryCollection: aQueryCollection with: aFormatBlock like: aPattern [
+	^ aQueryCollection wrappedQuery
+		with: aFormatBlock
+		iLike: '%' , aPattern asLowercase , '%'
+]
+
 { #category : #accessing }
 MDLInsensitiveSubstringFilter class >> formatedElement: aString matches: aPattern [
 	^ aString asLowercase includesSubstring: aPattern asLowercase
diff --git a/src/Material-Design-Lite-Widgets/MDLNestedListItemRenderAbstractStrategy.class.st b/src/Material-Design-Lite-Widgets/MDLNestedListItemRenderAbstractStrategy.class.st
index 7d7fb49b..94d5c398 100644
--- a/src/Material-Design-Lite-Widgets/MDLNestedListItemRenderAbstractStrategy.class.st
+++ b/src/Material-Design-Lite-Widgets/MDLNestedListItemRenderAbstractStrategy.class.st
@@ -133,12 +133,17 @@ MDLNestedListItemRenderAbstractStrategy >> renderIcon: aBlock Of: anItem on: htm
 { #category : #rendering }
 MDLNestedListItemRenderAbstractStrategy >> renderItem: aNode index: anIndex inDiv: div indentedBy: anInteger on: html [
 	| htmlElement |
-	htmlElement := self getHtmlElementForNode: aNode inDiv: div index: anIndex indentedBy: anInteger on: html.
+	htmlElement := self
+		getHtmlElementForNode: aNode
+		inDiv: div
+		index: anIndex
+		indentedBy: anInteger
+		on: html.
 	htmlElement
 		with: [ html span
 				class: #item;
 				id: html nextId;
-				with: ((self format value: aNode element) ifEmpty: [ $  ]).
+				with: (((self format value: aNode element) ifNil: [ '' ]) ifEmpty: [ $  ]).
 			self renderHelpOf: aNode element at: html lastId on: html ].
 	aNode children
 		ifNotEmpty: [ html div
diff --git a/src/Material-Design-Lite-Widgets/MDLPseudoRegexFilter.class.st b/src/Material-Design-Lite-Widgets/MDLPseudoRegexFilter.class.st
index d35b35b5..57522539 100644
--- a/src/Material-Design-Lite-Widgets/MDLPseudoRegexFilter.class.st
+++ b/src/Material-Design-Lite-Widgets/MDLPseudoRegexFilter.class.st
@@ -4,7 +4,7 @@ I am a nested list filter keeping only elements whose name includes the pattern
 Class {
 	#name : #MDLPseudoRegexFilter,
 	#superclass : #MDLAbstractFilter,
-	#category : 'Material-Design-Lite-Widgets-List'
+	#category : #'Material-Design-Lite-Widgets-List'
 }
 
 { #category : #accessing }
@@ -18,6 +18,11 @@ MDLPseudoRegexFilter class >> adaptPattern: aPattern [
 				ifFalse: [ s nextPutAll: '.*' ] ]
 ]
 
+{ #category : #accessing }
+MDLPseudoRegexFilter class >> applySelectMatchingOnQueryCollection: aQueryCollection with: aFormatBlock like: aPattern [
+	self shouldBeImplemented.
+]
+
 { #category : #accessing }
 MDLPseudoRegexFilter class >> formatedElement: aString matches: aRegex [
 	^ aRegex matches: aString
@@ -25,7 +30,8 @@ MDLPseudoRegexFilter class >> formatedElement: aString matches: aRegex [
 
 { #category : #accessing }
 MDLPseudoRegexFilter class >> selectMatchingFrom: aCollection format: aFormatBlock with: aPattern [
-	| regex |
-	regex := (self adaptPattern: aPattern) asRegexIgnoringCase.
-	^ aCollection select: [ :each | self formatedElement: (aFormatBlock value: each) matches: regex ]
+	^ super
+		selectMatchingFrom: aCollection
+		format: aFormatBlock
+		with: (self adaptPattern: aPattern) asRegexIgnoringCase
 ]
diff --git a/src/Material-Design-Lite-Widgets/MDLSubstringFilter.class.st b/src/Material-Design-Lite-Widgets/MDLSubstringFilter.class.st
index ae38a5f9..bdd1f760 100644
--- a/src/Material-Design-Lite-Widgets/MDLSubstringFilter.class.st
+++ b/src/Material-Design-Lite-Widgets/MDLSubstringFilter.class.st
@@ -4,9 +4,16 @@ I am a nested list filter keeping only elements whose name includes  the pattern
 Class {
 	#name : #MDLSubstringFilter,
 	#superclass : #MDLAbstractFilter,
-	#category : 'Material-Design-Lite-Widgets-List'
+	#category : #'Material-Design-Lite-Widgets-List'
 }
 
+{ #category : #accessing }
+MDLSubstringFilter class >> applySelectMatchingOnQueryCollection: aQueryCollection with: aFormatBlock like: aPattern [
+	^ aQueryCollection wrappedQuery
+		with: aFormatBlock
+		like: '%', aPattern , '%'
+]
+
 { #category : #accessing }
 MDLSubstringFilter class >> formatedElement: aString matches: aPattern [
 	^ aString includesSubstring: aPattern