Perhaps you should try some spelling variations:
procosts during » process during, protests during, processes during
costs during » costs using
e filosofico » e filosofica, y filosofico, e filosofiche
filosofico e » filosofica e, filosofici e, filosofia e
literatur » literature

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: ((costs during) OR (procosts during)) study e filosofico e literatur.
• Adding a wildcard symbol may retrieve word variants: ((costs during) or (procosts during)) study e filosofico e literatur*.