Perhaps you should try some spelling variations:
la literatura » la litterature, a literature
filosofica la » filosofica da, filosofia la, filosofia da
e filosofica » e filosofia, e filosofiche, a filosofia
tests life » test life, tests like, yeasts life
yeast life » yeast like, yeast linc
studie e » studie 2, studie _, studie 1

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 life) OR (yeast life)) studie e filosofica la literatura*.