Perhaps you should try some spelling variations:
das filosofia » da filosofia, la filosofia, di filosofia
y literatura » la literatura
studium das » studium des, studium der, studium die
filosofia y » filosofia e, filosofia _, filosofia de
text den » text des, text daten, text deep

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 den) OR (text der)) studium das filosofia y literatura*".