Perhaps you should try some spelling variations:
transfer costs » transport costs, transfer amounts
cash transfer » cash transfers
gene transfer » wire transfer, heat transfer, file transfer
transfer der » transfer fees, transfer _
der carl » dr carl, de carl, der call
luis rdf » luis de
rdf cash » do cash, run cash
f gene » _ gene, a gene, e gene

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 gene transfer der carl ) OR ( luis rdf cash transfer costs _ ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis f gene transfer der carl ) or ( luis rdf cash transfer costs _ ))*.