Perhaps you should try some spelling variations:
pela literatura » pena literatura, la literatura, a literatura
duales studium » das studium
filosofia pela » filosofia della, filosofia del, filosofia para
die filosofia » di filosofia, de filosofia, e filosofia
studium die » studium der, studium des

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 OR text) duales studium die filosofia pela literatura*.