Perhaps you should try some spelling variations:
la literature » la litterature, a literature, la literatura
di filosofia » la filosofia, e filosofia
d filosofia » de filosofia, da filosofia, e filosofia
test das » test des, test day, west das

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 das studium ((d filosofia) OR (di filosofia)) la literature".
• Adding a wildcard symbol may retrieve word variants: test das studium ((d filosofia) OR (di filosofia)) la literature*.