Perhaps you should try some spelling variations:
informal transfer » informal transfers, formal transfer, informal transport
transfer costs » transport costs, transfer amounts
costs chapter » cost chapter, courts chapter, posets chapter
transfers ai » transfers i, transfers bei, transfers dau
vs informal » _ informal, 3 informal
langues aid » langues dans
aid fiscal » amid fiscal, hand fiscal, wind fiscal
agens vs » agens i, genes vs
ai case » ii case, i case, vi case

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: (( agens vs informal transfer costs chapter ) OR ( langues aid fiscal transfers ai case ))~.
• Adding a wildcard symbol may retrieve word variants: (( agens vs informal transfer costs chapter ) or ( langues aid fiscal transfers ai case ))*.