Perhaps you should try some spelling variations:
studien ein » studien eine, studieren ein, studien die
filosofia e » filosofia de, filosofia del
vast scale » bast scale, coast scale, best scale
studien es » studien aus, studien bei, studien als
literatur » literature

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: vast scale ((studien es) OR (studien ein)) filosofia e literatur.
• Adding a wildcard symbol may retrieve word variants: vast scale ((studien es) or (studien ein)) filosofia e literatur*.