Perhaps you should try some spelling variations:
"classical closed library" » "classical case library", "classical class library", "classical charged library", "classical chosen library", "classical clone library", "classical cloud library"
"classical cases library" » "classical case library", "classical bases library", "classic cases library", "classical clauses 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.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"classical core library\") OR (((\"classical closed library\") OR (\"classical cases library\"))))".
• Removing quotes may allow a broader search: (( classical core library ) OR ((( classical closed library ) OR ( classical cases library )))).
• Adding a wildcard symbol may retrieve word variants: (("classical core library") OR ((("classical closed library") OR ("classical cases library"))))*.