Perhaps you should try some spelling variations:
ii literatura » ii literatur, ii literature, iii literature
a filosofia » la filosofia, di filosofia
e filosofia » la filosofia
tests case » test case, tests based, test cases

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: "tests case study ((a filosofia) OR (e filosofia)) ii literatura*".