Perhaps you should try some spelling variations:
classical schools » classical school, neoclassical schools, classic school
schools library » school library, schools libraries, scholars library
core library » case library, core libraries, gene library
code library » case library, gene 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 schools library ) OR ( classical ((core library) OR (code library)) )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( classical schools library ) or ( classical ((core library) OR (code library)) ))".
• Adding a wildcard symbol may retrieve word variants: (( classical schools library ) or ( classical ((core library) OR (code library)) ))*.