Perhaps you should try some spelling variations:
philanthropists » philanthropic, philanthropics, philanthroposs
philanthropism » philanthropinism, philanthropismus, philanthrophist
philanthropist » philanthropic, philanthropos
philanthropy » 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: ( philanthropists OR ( philanthropism OR ( philanthropist OR philanthropy ))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "( philanthropists or ( philanthropism or ( philanthropist OR philanthropy )))".
• Adding a wildcard symbol may retrieve word variants: ( philanthropists or ( philanthropism or ( philanthropist OR philanthropy )))*.