Perhaps you should try some spelling variations:
based transfer » based transfers, basin transfer, basin transfers
den transfer » gene transfer, heat transfer, data transfer
a transfer » cash transfer, heat transfer, data transfer
guias ses » guias de
ses based » aes based, sms based, cases based
aguas de » aguas del, aguas do, vagues de
agents a » agents _, agents 3, agents 5

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 ((a transfer) OR (den transfer)) agents a ) OR ( guias ses based transfer _ do ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas de ((a transfer) or (den transfer)) agents a ) or ( guias ses based transfer _ do ))*.