Perhaps you should try some spelling variations:
pela literatura » pena literatura, a literatura, de literatura
acute studien » acute studies, ante studien, aue studien
la literatura » la litterature, a literature
testis acute » tests acute, testing acute, sepsis acute
dd filosofia » di filosofia, de filosofia, da filosofia
studien dd » studies dd, studien der, studien die

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: "testis acute studien dd filosofia ((pela literatura) OR (la literatura))*".