Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
table studies » cable studies, bible studies, eagle studies
die filosofia » di filosofia, de filosofia, e filosofia
tests table » test tables, results table, test suitable
studies die » studie die, studien die, studies does

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

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