Your search +path:qgis +path:. +path:core +path:. +path:qgssymbollayerv2utils +path:. +path:colorramppreviewpixmap did not match any files.
Suggestions:

• Make sure all terms are spelled correctly.
• Try different keywords.
• Try more general keywords.
• Use 'wil*' cards if you are looking for partial match.