Perhaps you should try some spelling variations:
transfer agent » transfer agents, transfer payment, transfer amount
data transfer » cash transfer, heat transfer
des transfer » des transfers, den transfer, der transfer
transfer bei » transfer beim, transfers bei, transfer der
bei carl » wei carol, iii carl
luis rdf » luis f, luis de
rdf data » dlf data, imf data
luis a » luis f, luis c
a des » a der, a das

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 a des transfer bei carl ) OR ( luis rdf data transfer agent _ ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a des transfer bei carl ) or ( luis rdf data transfer agent _ ))*.