Perhaps you should try some spelling variations:
philanthropism » philanthropinism, philanthropismus, philanthrophist
philanthropist » philanthropic, philanthropos, philanthropy
philanthropists » philanthropics, philanthroposs, philanthropys, philanthropic

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: (( philanthropism OR philanthropist ) OR philanthropists ).
• Adding a wildcard symbol may retrieve word variants: (( philanthropism or philanthropist ) or philanthropists )*.