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
costs can » costs case, costs cash, costs chap
do social » 2 social, 1 social, 12 social
e formal » _ formal, a formal, 3 formal
agua » gua, agus, aga
aguas » guas, aguss, agas

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: (( agua e formal transfer costs can ) OR ( (aguas OR agas) do social transfer _ acao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( agua e formal transfer costs can ) or ( (aguas OR agas) do social transfer _ acao ))~".
• Adding a wildcard symbol may retrieve word variants: (( agua e formal transfer costs can ) or ( (aguas OR agas) do social transfer _ acao ))*.