Perhaps you should try some spelling variations:
filosofia della » filosofia del, filosofia de
scale studie » scale studies, scale studien, scale study
filosofia e » filosofia de, filosofia del
best scale » bast scale, rest scale, burst scale
studie di » studie die, studie d, studie de

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: best scale studie di ((filosofia della) OR (filosofia e)) literatura*.