Perhaps you should try some spelling variations:
der filosofica » de filosofia, e filosofica, e filosofia
da literatura » a literatura, de literatura, na literatura
la literatura » la litterature, a literature
testo das » test das, tests das, testen das

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: "testo das studium der filosofica ((da literatura) OR (la literatura))*".