Perhaps you should try some spelling variations:
la litterature » a literature
die filosofica » di filosofia, de filosofia, e filosofica
based studien » based studies, basedow studien, based student
la literatura » a literature
studien die » studie die, studien der
sets based » arts based, agents based

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: "sets based studien die filosofica ((la literatura) OR (la litterature))".
• Adding a wildcard symbol may retrieve word variants: sets based studien die filosofica ((la literatura) OR (la litterature))*.