Perhaps you should try some spelling variations:
during studie » during studies, during study, during soldier
de literatura » de litterature, la literatura, y literatura
tests during » costs during, protests during, testing during
2 filosofico » y filosofico, y filosoficos, e filosofica
e literatura » y literatura, e literatur, a literatura

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 2 filosofico ((e literatura) OR (de literatura))".
• Adding a wildcard symbol may retrieve word variants: tests during studie 2 filosofico ((e literatura) OR (de literatura))*.