Perhaps you should try some spelling variations:
le literatura » la literatura, de literatura, de litteratura
scale studie » scale studies, scale studien, scale study
di filosofia » la filosofia, e filosofia
e literatura » de literatura, y literatura, e literatur
tests scale » tests stable, sets scale, tests safe
studie di » studie die, studie d, studie de

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: "tests scale studie di filosofia ((le literatura) OR (e literatura))".
• Adding a wildcard symbol may retrieve word variants: tests scale studie di filosofia ((le literatura) OR (e literatura))*.