Perhaps you should try some spelling variations:
rural transport » road transport, rail transport
formal transfer » informal transfers, social transfer, fiscal transfer
transfer costs » transport costs, transfer amounts
transport et » transport en, transport _, transport a
langues de » langue de, langages de, langue du
costs ch » costs cash, costs chap, costs _
de rural » do rural, use rural, one rural
et cas » en cas, et cam

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 _ formal transfer costs ch ) OR ( langues de rural transport et cas ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas _ formal transfer costs ch ) or ( langues de rural transport et cas ))*.