Perhaps you should try some spelling variations:
table studies » cable studies, bible studies, eagle studies
de filosofica » de filosofia, e filosofica, e filosofia
la literature » la litterature, la literatura, data literature
tests table » test tables, results table, test suitable
studies de » studies der, studies die, studies doe

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: tests table studies de filosofica ((a literature) OR (la literature))*.