Perhaps you should try some spelling variations:
transfer agents » transfer payments, transfer amounts, transfer payment
des transfers » net transfers, cash transfers, arms transfers
transfers bei » transfer bei, transfer beim, transfers ai
data transfer » cash transfer, heat transfer
agents case » ages case, events case, agencies case
bei mary » bei marx, bei marc, being mary
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 transfers bei mary ) OR ( luis rdf data transfer agents case ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a des transfers bei mary ) or ( luis rdf data transfer agents case ))*.