Perhaps you should try some spelling variations:
"acta philosophical pessimism" » "acta philosophical presentism", "acta philosophical scepticism", "acta philosophical skepticism", "meta philosophical pessimism", "its philosophical pessimism", "all philosophical pessimism", "act_ philosophical pessimism"
"a philosophical feminism" » "a philosophical darwinism", "a philosophical egoism", "a philosophical realism", "_ philosophical feminism"
"art philosophical feminism" » "art philosophical darwinism", "art philosophical egoism", "art philosophical realism", "east philosophical feminism", "last philosophical feminism", "get philosophical feminism"
"art philosophical humanism" » "art philosophical posthumanism", "art philosophical idealism", "art philosophical realism", "east philosophical humanism", "last philosophical humanism", "get philosophical humanism"

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 feminism") OR ("acta philosophical pessimism"))) OR ((("art philosophical feminism") OR ("art philosophical humanism")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"a philosophical feminism\") or (\"acta philosophical pessimism\"))) or (((\"art philosophical feminism\") OR (\"art philosophical humanism\"))))".
• Removing quotes may allow a broader search: (((( a philosophical feminism ) or ( acta philosophical pessimism ))) or ((( art philosophical feminism ) OR ( art philosophical humanism )))).
• Adding a wildcard symbol may retrieve word variants: (((("a philosophical feminism") or ("acta philosophical pessimism"))) or ((("art philosophical feminism") OR ("art philosophical humanism"))))*.