Perhaps you should try some spelling variations:
social transport » local transport, social transfers, social transfer
formal transfer » informal transfers, social transfer, fiscal transfer
transport et » transport en, transport _, transport a
costs cash » costs case
costs can » costs case, costs chap, costs land
do social » 2 social, 1 social, 12 social
e formal » _ formal, a formal, 3 formal
aguas do » aguas de, aguas del
aga e » aga i
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: (( aga e formal transfer ((costs can) OR (costs cash)) ) OR ( aguas do social transport et acao ))~.
• Adding a wildcard symbol may retrieve word variants: (( aga e formal transfer ((costs can) or (costs cash)) ) or ( aguas do social transport et acao ))*.