Perhaps you should try some spelling variations:
informal transfer » informal transfers, formal transfer, informal transport
modal transfers » local transfers, social transfers, formal transfers
transfer costs » transport costs, transfer amounts
transfers der » transfer der, transfert de, transfers bei
vs informal » _ informal, 3 informal
langues via » langues la
costs chap » costs ch, costs chapter
via modal » via odal, via local, via metal
aguas vs » agens vs, aguas de, aguas do
der cas » der casa, der case, der ca

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: (( aguas vs informal transfer costs chap ) OR ( langues via modal transfers der cas ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas vs informal transfer costs chap ) or ( langues via modal transfers der cas ))*.