Perhaps you should try some spelling variations:
philosophical pessimism » philosophical presentism, philosophical feminism, philosophical scepticism
meta philosophical » a metaphilosophical, e philosophical, medical philosophical
a philosophical » _ philosophical

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: (( a philosophical pessimism ) OR ( meta philosophical pessimism )).
• Adding a wildcard symbol may retrieve word variants: (( a philosophical pessimism ) or ( meta philosophical pessimism ))*.