Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, y literatura
dello studio » nello studio, allo studio, dello stato
a filosofia » la filosofia, di filosofia
e filosofia » la filosofia
test dello » test della, test delle, test hello

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 dello studio ((a filosofia) OR (e filosofia)) de literatura".
• Adding a wildcard symbol may retrieve word variants: test dello studio ((a filosofia) OR (e filosofia)) de literatura*.