Perhaps you should try some spelling variations:
during studies » docking studies, housing studies, aging studies
during studie » during study, during soldier, during static
de literatura » de litterature, la literatura, y literatura
am filosofia » a filosofia, em filosofia, la filosofia
filosofia de » filosofia del

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 studie) OR (during studies)) am filosofia de literatura*".