Perhaps you should try some spelling variations:
classical theories » classical theory, physical theories
classical scores » classical sources, classical schemes, classical schools
classical scheme » classical schemes, classic scheme, classical theme
classical codes » classical cases, classical geodesy, classical closed
codes library » code library, models library, cases library

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 theories) OR (classical scheme)))) library ) OR ( classical codes library )).
• Adding a wildcard symbol may retrieve word variants: (( ((classical scores) or (((classical theories) or (classical scheme)))) library ) or ( classical codes library ))*.