Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
tests during » costs during, protests during, testing during
during study » during steady, drawing study, docking study
am filosofia » a filosofia, em filosofia, la filosofia
study am » study aim, study a, study ai

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 study am filosofia ((y literatura) OR (la literatura))".
• Adding a wildcard symbol may retrieve word variants: tests during study am filosofia ((y literatura) OR (la literatura))*.