Perhaps you should try some spelling variations:
moderne studien » modern studies, modell studien, modern studio
le literatura » la literatura, de literatura, de litteratura
test moderne » best modern, post moderne, et moderne
e literatura » de literatura, y literatura, e literatur

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: test moderne studien _ filosofia ((le literatura) OR (e literatura)).
• Adding a wildcard symbol may retrieve word variants: test moderne studien _ filosofia ((le literatura) or (e literatura))*.