Perhaps you should try some spelling variations:
del litterature » de litterature, des litteratures, et litterature
die filosofia » di filosofia, de filosofia, e filosofia
code studien » code studies, comte studien, die studien
studien die » studie die, studien der
text code » text copy, text co, text case

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

• Adding a wildcard symbol may retrieve word variants: text code studien die filosofia del litterature*.