Save the following in a Module; then run it from the VBA immediate window.
' Arguments:
' 1 - Text to search
' 2 - Show the SQL (true) or just the Query name (false)
' 3 - Wildcard for names of queries to search.
' Example Use:
' SearchQueries "findThisText"
' SearchQueries "findThisText", true
' SearchQueries "findThisText", true, "InQueriesNamedBeginningWithThis*"
Sub SearchQueries(SearchText As String, Optional ShowSQL As Boolean = False, Optional QryName As String = "*")
On Error Resume Next
Dim QDef As QueryDef
For Each QDef In CurrentDb.QueryDefs
If QDef.Name Like QryName Then
If InStr(UCase(QDef.SQL), UCase(SearchText)) > 0 Then
Debug.Print QDef.Name
If ShowSQL Then Debug.Print QDef.SQL & vbCrLf
End If
End If
Next QDef
End Sub