Perhaps you should try some spelling variations:
transfer costs » transport costs, transfer amounts
den transfer » gene transfer, data transfer, land transfer
transfer der » transfer fees, transfer _
der carl » dr carl, de carl, der call
luis imf » luis f, luis m, luis i
imf heat » imf debt
luis c » luis f
c den » co den, _ den, c der

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 c den transfer der carl ) OR ( luis imf heat transfer costs _ ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis c den transfer der carl ) or ( luis imf heat transfer costs _ ))*.