Perhaps you should try some spelling variations:
formal transport » informal transport, rural transport, local transport
langues america » laborers america
social transfer » social transfers
america social » africa social
transfer der » transfer fees, transfer _
costs chap » costs ch, costs chapter
do formal » so formal, do informal, does formal
aguas do » aguas de, aguas del
der caso » de caso, del caso, der cas

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 do formal transport costs chap ) OR ( langues america social transfer der caso ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas do formal transport costs chap ) or ( langues america social transfer der caso ))*.