Perhaps you should try some spelling variations:
del literatura » de literatura, pela literatura, da literatura
hope studie » hope studies, hope studio, shape studies
d filosofia » di filosofia, de filosofia, da filosofia
hope study » hope studio, scope study, shape study

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: "future ((hope study) OR (hope studie)) d filosofia del literatura".
• Adding a wildcard symbol may retrieve word variants: future ((hope study) OR (hope studie)) d filosofia del literatura*.