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
des carl » des care, dr carl, bei carl
luis rdf » luis de
rdf cash » do cash, run cash
de carl » dr carl, de cara, de care
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 ((de carl) OR (des carl)) ) OR ( luis rdf cash transfer costs _ ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis f gene transfer ((de carl) OR (des carl)) ) or ( luis rdf cash transfer costs _ ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis f gene transfer ((de carl) OR (des carl)) ) or ( luis rdf cash transfer costs _ ))*.