Perhaps you should try some spelling variations:
philanthropists » philanthropic
philanthropische » philanthropischen, philanthropic, philanthropist
philanthropies » philanthropie, philanthropic, philanthropos

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