Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
le literatura » la literatura, e literatura, de litteratura
da filosofia » la filosofia, di filosofia, a filosofia
de studium » dem studium, des studium, d studium
studium da » studium das, studium a, studium d
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 filosofia ((le literatura) OR (de literatura))".
• Adding a wildcard symbol may retrieve word variants: test de studium da filosofia ((le literatura) OR (de literatura))*.