Perhaps you should try some spelling variations:
scales studien » scale studies, scale student, als studien
scale studien » scale studies, scale student, duale studien
y literatura » la literatura
a filosofia » la filosofia, e filosofia, di filosofia
filosofia y » filosofia e, filosofia _, filosofia de

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: belt ((scales studien) OR (scale studien)) a filosofia y literatura.
• Adding a wildcard symbol may retrieve word variants: belt ((scales studien) or (scale studien)) a filosofia y literatura*.