Perhaps you should try some spelling variations:
le literatura » la literatura, de literatura, e literatura
die filosofia » di filosofia, de filosofia, e filosofia
filosofia le » filosofia de, filosofia e, filosofia del
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: (testo OR texto) das studium die filosofia le literatura.
• Adding a wildcard symbol may retrieve word variants: (testo or texto) das studium die filosofia le literatura*.