Perhaps you should try some spelling variations:
scale studies » scale study
filosofia di » filosofia da, filosofia del
filosofia de » filosofia del
filosofia e » filosofia del
test scale » tests scale, best scale, rest scale

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: test scale studies ds ((((filosofia di) OR (filosofia e))) OR (filosofia de)) literatura.
• The words AND, OR and NOT may confuse the search; try adding quotes: "test scale studies ds ((((filosofia di) OR (filosofia e))) or (filosofia de)) literatura".
• Adding a wildcard symbol may retrieve word variants: test scale studies ds ((((filosofia di) OR (filosofia e))) or (filosofia de)) literatura*.