Perhaps you should try some spelling variations:
del literature » model literature, abel literature, fuel literature
table studies » cable studies, bible studies, eagle studies
di filosofia » la filosofia, e filosofia
tests table » test tables, results table, test suitable
studies di » studies die, studies div, studies ds

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

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