Perhaps you should try some spelling variations:
scale studie » scale studies, scale studien, scale study
de filosofia » e filosofia, di filosofia, la filosofia
e filosofica » e filosofia, e filosofiche, a filosofia
e literature » e literatur, life literature, prose literature
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: sets scale studie ((de filosofia) OR (e filosofica)) e literature.
• Adding a wildcard symbol may retrieve word variants: sets scale studie ((de filosofia) or (e filosofica)) e literature*.