Perhaps you should try some spelling variations:
tests during » costs during, protests during, testing during
during study » during steady, drawing study, docking study
am filosofia » em filosofia, la filosofia, e filosofia
y literatura » la literatura
a filosofia » la filosofia, e filosofia, di filosofia

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