Perhaps you should try some spelling variations:
e literature » e literatur, life literature, prose literature
a filosofia » la filosofia, e filosofia, di filosofia
site study » sites study, sited study, situ study
yeasts » 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 OR yeast) site study a filosofia ((e literature) OR ((prose OR prove) literature)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(yeasts or yeast) site study a filosofia ((e literature) or ((prose OR prove) literature))".
• Adding a wildcard symbol may retrieve word variants: (yeasts or yeast) site study a filosofia ((e literature) or ((prose OR prove) literature))*.