Perhaps you should try some spelling variations:
classical schemes » classical scheme, classical themes, classical sciences
classical school » neoclassical school
"classical code library" » "classical codes library", "classical case library", "classic code library", "classical core library", "classical gene library"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("((classical school) or (classical schemes)) library") OR ("classical code library")).
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