Perhaps you should try some spelling variations:
table studien » table studies, table student, cable studies
tests table » test tables, results table, test suitable
studien die » studie die, studien der
filosofia a » filosofia da, filosofia la, filosofia _
filosofia e » filosofia de, filosofia del

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: "tests table studien die ((filosofia a) OR (filosofia e)) literatura".
• Adding a wildcard symbol may retrieve word variants: tests table studien die ((filosofia a) OR (filosofia e)) literatura*.