Perhaps you should try some spelling variations:
"classical codes library" » "classical cases library", "classical geodesy library", "classical closed library", "classical code library", "classical models library"
"classical model library" » "classical models library", "neoclassical models library"
"classical model linear" » "classical models linear", "neoclassical models linear", "classical models nonlinear"
"classical core library" » "classical case library", "classical charge library", "classical closed library", "classical code library", "classical core libraries"

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