Perhaps you should try some spelling variations:
tests basieren » tests bestehen, tests easier
e filosofica » e filosofia, e filosofiche, a filosofia
filosofica a » filosofica da, filosofica e, filosofica _
a literatura » la literatura, a literature, y literatura
tests eagle » tests edge, tests example, tests easier

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tests eagle) OR (tests basieren)) studies e filosofica a literatura.
• Adding a wildcard symbol may retrieve word variants: ((tests eagle) or (tests basieren)) studies e filosofica a literatura*.