Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
filosofia la » filosofia da, filosofia le, filosofica da
studium das » studium des, studium der, studium die
studium da » studium a, studium d, studium der
test de » test der, test des, est de

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: "test de ((studium da) OR (studium das)) filosofia la literatura".
• Adding a wildcard symbol may retrieve word variants: test de ((studium da) OR (studium das)) filosofia la literatura*.