Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
cable studien » cable studies, scale studien, table studies
die filosofia » di filosofia, de filosofia, e filosofia
tests cable » tests table, tests stable, tests tables
studien die » studie die, studien der

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

• Adding a wildcard symbol may retrieve word variants: tests cable studien die filosofia del literatura*.