Perhaps you should try some spelling variations:
"meta philosophical pessimism" » "meta philosophical presentism", "meta philosophical feminism", "meta philosophical scepticism", "a metaphilosophical pessimism", "a philosophical pessimism", "e philosophical pessimism"
"acta philosophical catechism" » "acta philosophical naturalism", "acta philosophical scepticism", "acta philosophical idealism", "art philosophical catechism", "a philosophical catechism", "all philosophical catechism"

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