Perhaps you should try some spelling variations:
la litterature » a literature
results table » results tables, results time, results three
table student » male student, enable students, mobile student
la literatura » a literature
a filosofia » la filosofia, e filosofia, di filosofia
student a » student _

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: results table student a filosofia ((la literatura) OR (la litterature)).
• Adding a wildcard symbol may retrieve word variants: results table student a filosofia ((la literatura) or (la litterature))*.