Perhaps you should try some spelling variations:
social transfer » social transfers
transfers costs » transfer costs, transfer cost, transfers foster
who informal » do informal, from informal, work informal
transfer der » transfer fees, transfer _
language a » language _
aguas who » aguas do
costs ch » costs cash, costs chap, costs _
der case » per case, dar case, der care

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 who informal transfers costs ch ) OR ( language a social transfer der case ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas who informal transfers costs ch ) or ( language a social transfer der case ))*.