Perhaps you should try some spelling variations:
transfer agent » transfer agents, transfer payment, transfer amount
des transfers » net transfers, cash transfers, arms transfers
data transfer » cash transfer, heat transfer
des transfer » den transfer, der transfer, des transferts
bei maria » bei martin, bei martha, de maria
agent can » agency can, agent a, agent tag
luis dlf » luis de
dlf data » imf data, rdf 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 f ((des transfer) OR (des transfers)) bei maria ) OR ( luis dlf data transfer agent can ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis f ((des transfer) or (des transfers)) bei maria ) or ( luis dlf data transfer agent can ))*.