Perhaps you should try some spelling variations:
feature scale » feature space, feature shape, feature scaling
de literatura » de litterature, y literatura, a literatura
la literatura » la litterature, a literature
di filosofia » la filosofia, e filosofia
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 scale study di filosofia ((de literatura) OR (la literatura))".
• Adding a wildcard symbol may retrieve word variants: feature scale study di filosofia ((de literatura) OR (la literatura))*.