Perhaps you should try some spelling variations:
eagle studies » angle studies, cable studies, exile studies
filosofica da » filosofia da, filosofia de, filosofia di
filosofica a » filosofica e, filosofica _, filosofico a
tests eagle » tests edge, tests example, tests easier
studies de » studies der, studies die, studies doe

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 eagle studies de ((filosofica a) OR (filosofica da)) literatura".
• Adding a wildcard symbol may retrieve word variants: tests eagle studies de ((filosofica a) OR (filosofica da)) literatura*.