Perhaps you should try some spelling variations:
transfer agent » transfer agents, transfer payment, transfer amount
des transfer » des transfers, den transfer, der transfer
transfer bei » transfer beim, transfers bei, transfer der
agent case » agent based, ageing case, age case
bei marc » bei marx, bei maria, bei carl
rdf data » imf 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 marc ) OR ( luis ((rdf data) OR (dlf data)) transfer agent case ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a des transfer bei marc ) or ( luis ((rdf data) or (dlf data)) transfer agent case ))*.