Perhaps you should try some spelling variations:
state studied » state studies, have studied, state study
filosofica da » filosofia da, filosofia de, filosofia di
filosofica a » filosofica e, filosofica _, filosofico a
studied die » studie die, studien die, studies die
test state » test stated, best state, test stage

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: "test state studied die ((filosofica a) OR (filosofica da)) literatura".
• Adding a wildcard symbol may retrieve word variants: test state studied die ((filosofica a) OR (filosofica da)) literatura*.