Perhaps you should try some spelling variations:
et litterature » la litterature, art literature
des studiums » das studium
i filosofia » di filosofia, a filosofia, y filosofia
e filosofia » la filosofia
tests des » test des, tests der, tests test

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 des studiums ((i filosofia) OR (e filosofia)) et litterature*".