Perhaps you should try some spelling variations:
classical sources » classical studies, classical spaces
classical schemes » classical themes, classical sciences, classic scheme
classical scores » classical schools, classical spaces, classical states
classical scheme » classic scheme, classical theme, classical science
"classical codes library" » "classical cases library", "classical geodesy library", "classical closed library", "classical code library", "classical models library"

Try widening your search to All Fields.

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: (("((((classical scores) OR (classical sources))) or (((classical schemes) or (classical scheme)))) library") OR ("classical codes library")).
• Removing quotes may allow a broader search: (( ((((classical scores) OR (classical sources))) or (((classical schemes) or (classical scheme)))) library ) or ( classical codes library )).
• Adding a wildcard symbol may retrieve word variants: (("((((classical scores) OR (classical sources))) or (((classical schemes) or (classical scheme)))) library") or ("classical codes library"))*.