Perhaps you should try some spelling variations:
filosofica la » filosofica da, filosofia la, filosofia da
la literatura » la litterature, a literature
agents based » agent based
e filosofica » e filosofia, e filosofiche, a filosofia
sets based » arts based
studien e » studien es, studien _, studien 3

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