Perhaps you should try some spelling variations:
die filosofia » di filosofia, de filosofia, e filosofia
da literatura » la literatura, a literatura, de literatura
filosofia da » filosofia de, filosofia del, filosofia e
studies die » studie die, studien die, studies does
test bible » test bile, testing bible
test table » test tables, tests table, test tabelle

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: ((test bible) OR (test table)) studies die filosofia da literatura.
• Adding a wildcard symbol may retrieve word variants: ((test bible) or (test table)) studies die filosofia da literatura*.