Perhaps you should try some spelling variations:
"philosophical survey sources" » "philosophical studies sources", "philosophical study sources", "philosophical subjects sources", "philosophical survey survey", "philosophical survey studies", "philosophical surfaces sources"
"philosophical society series" » "philosophical society services", "philosophical society stories", "philosophical society serge"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("philosophical survey sources") OR ("philosophical society series")).
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