Perhaps you should try some spelling variations:
die filosofia » di filosofia, de filosofia, e filosofia
del literatur » model literatur, teil literatur, igel literatur
next social » best social, context social, agent social
west social » best social, et social, east social
studies die » studie die, studien die, studies does

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((next social) OR (west social)) studies die filosofia del literatur.
• Adding a wildcard symbol may retrieve word variants: ((next social) or (west social)) studies die filosofia del literatur*.