Perhaps you should try some spelling variations:
le literatura » la literatura, de literatura, e literatura
filosofia le » filosofia de, filosofia e, filosofia del
studium la » studium a, studium als, studium das
text das » text data, text der, text die
text des » text der

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((text das) OR (text des)) studium la filosofia le literatura*".