Perhaps you should try some spelling variations:
german universities » american universities, african universities, european universities
boston university » mellon university
german university » american university, african university, brown university

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: %((boston university) OR (((german university) OR (german universities))))%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%((boston university) or (((german university) OR (german universities))))%22".
• Adding a wildcard symbol may retrieve word variants: %((boston university) or (((german university) OR (german universities))))%22*.