Perhaps you should try some spelling variations:
federal transfer » federal transfers, central transfers, fiscal transfer
transfer system » transfer systems, transport system, transit system
transfer em » transfer fee, transfer _, transfer a
de federal » _ federal, a federal
system can » systems can, system a, systems case
acao » cacao, macao

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 de federal transfer system can ) OR ( aguas do ideias transfer em (acao OR cao) ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas de federal transfer system can ) or ( aguas do ideias transfer em (acao or cao) ))*.