Perhaps you should try some spelling variations:
philanthropists » philanthropic, philanthropos
philanthropism » philanthropist, philanthropismus, philanthrophist
philanthropinism » philanthropist, philanthropies, philanthrophist

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 ( philanthropism OR philanthropinism )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "( philanthropists or ( philanthropism OR philanthropinism ))".
• Adding a wildcard symbol may retrieve word variants: ( philanthropists or ( philanthropism OR philanthropinism ))*.