Perhaps you should try some spelling variations:
social transfers » fiscal transfers
formal transfer » informal transfers, social transfer, fiscal transfer
transfers de » transferts de, transfert de, transfers made
costs cash » costs case
costs can » costs case, costs chap, costs land
de social » die social, code social, age social
a formal » _ formal, a form
aguas de » aguas del, aguas do, vagues de
asa a » masa a, usa a, ask a
acao » cacao, macao, cao

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: (( asa a formal transfer ((costs can) OR (costs cash)) ) OR ( aguas de social transfers de acao ))~.
• Adding a wildcard symbol may retrieve word variants: (( asa a formal transfer ((costs can) or (costs cash)) ) or ( aguas de social transfers de acao ))*.