Perhaps you should try some spelling variations:
e literature » e literatur, life literature, prose literature
le filosofia » la filosofia, de filosofia, di filosofia
e filosofia » la filosofia
site study » sites study, sited study, situ study
yeasts » yeast, feasts, beasts

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: yeasts site study ((e filosofia) OR (le filosofia)) e literature.
• Adding a wildcard symbol may retrieve word variants: yeasts site study ((e filosofia) or (le filosofia)) e literature*.