Perhaps you should try some spelling variations:
stents safety » agents safety, events safety, tests safety
die filosofia » di filosofia, de filosofia, e filosofia
tenth safety » heath safety, kent safety, ninth safety
a literatura » la literatura, a literature, y literatura
filosofia a » filosofia da, filosofia la, filosofia e
study die » study deep, study d, study direct

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((stents safety) OR (tenth safety)) study die filosofia a literatura*".