Perhaps you should try some spelling variations:
filosofica la » filosofica da, filosofia la, filosofia da
la literatura » la litterature, a literature
d filosofica » e filosofica, e filosofia, di filosofia
test scale » tests scale, rest scale, treat scale
best scale » bast scale, rest scale, burst scale

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 (best scale)) study d filosofica la literatura".
• Adding a wildcard symbol may retrieve word variants: ((test scale) OR (best scale)) study d filosofica la literatura*.