Perhaps you should try some spelling variations:
formal transfer » informal transfers, fiscal transfer, fiscal transfers
social transfer » social transfers
transfer costs » transport costs, transfer amounts
langues asia » changes asia, langues la, langues sur
transfer der » transfer fees, transfer _
asia social » basic social, africa social, arabia social
its formal » ii formal, iii formal, its forms
costs chap » costs ch, costs chapter
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 OR agua) its formal transfer costs chap ) OR ( langues asia social transfer der caso ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( (aguas OR agua) its formal transfer costs chap ) or ( langues asia social transfer der caso ))~".
• Adding a wildcard symbol may retrieve word variants: (( (aguas OR agua) its formal transfer costs chap ) or ( langues asia social transfer der caso ))*.