Perhaps you should try some spelling variations:
formal transfers » formal transfer, informal transfers, informal transfer
data transfer » water transfer, cash transfer, heat transfer
transfer fee » transfer fees, transfer _, transfer tax
de formal » _ formal, a formal
aguas de » aguas do
luis de » luis e
de data » debt data, use data

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: (( luis de formal transfers _ acao ) OR ( aguas de data transfer fee cao ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis de formal transfers _ acao ) or ( aguas de data transfer fee cao ))*.