Perhaps you should try some spelling variations:
die filosofia » di filosofia, de filosofia, e filosofia
e literatura » de literatura, y literatura, e literatur
tests based » test based, testing based, agents based
studies die » studies does, studies dose, studies ds
filosofia e » filosofia de, filosofia del
tests case » test case, test cases, tests code

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) OR (tests based)) studies die filosofia e literatura*".