Perhaps you should try some spelling variations:
de literatura » de litterature, la literatura, a literatura
feature hope » feature scope, feature how, future hope
di filosofia » la filosofia, e filosofia
y literatura » la literatura
hope study » hope studie, hope studio, scope study
study di » study die, study d, study d3

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: "feature hope study di filosofia ((de literatura) OR (y literatura))*".