Perhaps you should try some spelling variations:
tests during » protests during, testing during, forests during
costs during » costs using
e filosofica » e filosofia, e filosofiche, a filosofia
filosofica a » filosofica da, filosofica e, filosofica _
a literatura » la literatura, a literature, y literatura
studied e » studied _, studied 3, studied 5

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 during) OR (costs during)) studied e filosofica a literatura".
• Adding a wildcard symbol may retrieve word variants: ((tests during) OR (costs during)) studied e filosofica a literatura*.