Perhaps you should try some spelling variations:
"classical source library" » "classical sources library", "classic source library", "classical force library", "classical resource library", "classical source libraries"
"classic sources library" » "classic source library", "classical sources library", "classes sources library", "classic resource library", "classic sources linear", "classic series library"
"classic studies library" » "classical studies library", "class studies library", "classic stories library", "classic studies literary", "classic studies libraries", "classic itunes library"
"classical core library" » "classical codes library", "classical case library", "classical charge library", "classical code library", "classical core libraries"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((((("classic sources library") OR ("classic studies library"))) OR ((("classic sources library") OR ("classic studies library"))))) OR ("classical source library"))) OR ("classical core library")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((((\"classic sources library\") OR (\"classic studies library\"))) or (((\"classic sources library\") OR (\"classic studies library\"))))) or (\"classical source library\"))) or (\"classical core library\"))".
• Removing quotes may allow a broader search: (((((((( classic sources library ) OR ( classic studies library ))) or ((( classic sources library ) OR ( classic studies library ))))) or ( classical source library ))) or ( classical core library )).
• Adding a wildcard symbol may retrieve word variants: (((((((("classic sources library") OR ("classic studies library"))) or ((("classic sources library") OR ("classic studies library"))))) or ("classical source library"))) or ("classical core library"))*.