Perhaps you should try some spelling variations:
la litterature » a literature
la literatura » a literature
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 ((la literatura) OR (la litterature))".
• Adding a wildcard symbol may retrieve word variants: test de studium da filosofia ((la literatura) OR (la litterature))*.