Perhaps you should try some spelling variations:
des transfers » net transfers, cash transfers, arms transfers
data transfer » cash transfer, heat transfer
transfer gene » transfer gender, transfer agent, transfer fee
des transfer » den transfer, der transfer, des transferts
bei maria » bei martin, bei martha, de maria
luis dlf » luis de
dlf data » imf data, rdf data
gene can » genes can, genre can, genome can

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 gene can ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis f ((des transfer) or (des transfers)) bei maria ) or ( luis dlf data transfer gene can ))*.