Perhaps you should try some spelling variations:
"a metaphilosophical humanism" » "a philosophical humanism", "a metaphilosophical task", "meta philosophical humanism", "a biophilosophical humanism"
"acta philosophical pessimism" » "acta philosophical presentism", "acta philosophical feminism", "acta philosophical scepticism", "meta philosophical pessimism", "art philosophical pessimism", "a philosophical pessimism"

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: (("acta philosophical pessimism") OR ("a metaphilosophical humanism")).
• Removing quotes may allow a broader search: (( acta philosophical pessimism ) or ( a metaphilosophical humanism )).
• Adding a wildcard symbol may retrieve word variants: (("acta philosophical pessimism") or ("a metaphilosophical humanism"))*.