Perhaps you should try some spelling variations:
does filosofica » de filosofia, e filosofica, forma filosofica
filosofica la » filosofica da, filosofia la, filosofia da
la literatura » la litterature, a literature
studies does » studies dress, studies ds, studies der
tests scale » tests stable, tests safe, tests shall
sets scale » sets scaled, sets scales, set 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: ((tests scale) OR (sets scale)) studies does filosofica la literatura.
• Adding a wildcard symbol may retrieve word variants: ((tests scale) or (sets scale)) studies does filosofica la literatura*.