Perhaps you should try some spelling variations:
does filosofia » de filosofia, e filosofia, di filosofia
del literatur » model literatur, teil literatur, igel literatur
studies does » studies dress, studies ds, studies der
agent social » agents social, age social, against social
next social » best social, context social, great social

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: "((next social) OR (agent social)) studies does filosofia del literatur".
• Adding a wildcard symbol may retrieve word variants: ((next social) OR (agent social)) studies does filosofia del literatur*.