Perhaps you should try some spelling variations:
during studie » during studies, during study, during soldier
de literatura » de litterature, y literatura, a literatura
la literatura » la litterature, a literature
tests during » costs during, protests during, testing during
e filosofia » la filosofia
studie e » studie 2, studie _, studie 1

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