Perhaps you should try some spelling variations:
le literatura » la literatura, de literatura, e literatura
di filosofia » la filosofia, e filosofia
slate studio » safe studio, state studies, state studied
filosofia le » filosofia de, filosofia e, filosofia del
safe studie » safe studio, life studie, case studie

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 ((safe studie) OR (slate studio)) di filosofia le literatura.
• Adding a wildcard symbol may retrieve word variants: tests ((safe studie) or (slate studio)) di filosofia le literatura*.