Perhaps you should try some spelling variations:
scale studies » scale study
de literatura » de litterature, y literatura, a literatura
la literatura » la litterature, a literature
li filosofia » la filosofia, di filosofia, e filosofia
test scale » tests scale, best scale, rest scale
studies li » studies lia, studies lit, studies l2

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: "test scale studies li filosofia ((de literatura) OR (la literatura))".
• Adding a wildcard symbol may retrieve word variants: test scale studies li filosofia ((de literatura) OR (la literatura))*.