Perhaps you should try some spelling variations:
social transfers » fiscal transfers
formal transfer » informal transfers, social transfer, fiscal transfer
transfer costs » transport costs, transfer amounts
transfers de » transferts de, transfert de, transfers made
langues via » langues la
costs chap » costs ch, costs chapter
via social » vista social, asia social, rica social
vs formal » vs informal, its formal, _ formal
aguas vs » agens vs, aguas de, aguas do
de cash » de cas, do cash, de caso

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "(( aguas vs formal transfer costs chap ) OR ( langues via social transfers de cash ))~".
• Adding a wildcard symbol may retrieve word variants: (( aguas vs formal transfer costs chap ) OR ( langues via social transfers de cash ))*.