Perhaps you should try some spelling variations:
la litterature » a literature
da filosofia » la filosofia, di filosofia, de filosofia
der studium » oder studium, dem studium, des studium
a filosofia » la filosofia, e filosofia, di filosofia
test » text

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