Perhaps you should try some spelling variations:
le literatura » la literatura, de literatura, e literatura
da filosofia » la filosofia, di filosofia, a filosofia
filosofia le » filosofia de, filosofia e, filosofia del
tests scale » tests stable, sets scale, tests safe
test scale » best scale, rest scale, treat scale
study da » study das, study dca, study d

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) OR (tests scale)) study da filosofia le literatura".
• Adding a wildcard symbol may retrieve word variants: ((test scale) OR (tests scale)) study da filosofia le literatura*.