Perhaps you should try some spelling variations:
transfer test » transfer west, transform test, transfer cost
den transfer » gene transfer, data transfer, land transfer
transfer bei » transfer beim, transfers bei, transfer der
bei carl » wei carol, iii carl
luis rdf » luis f, luis de
luis a » luis f, luis c
a den » _ den, a der, a des
heat » head

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 den transfer bei carl ) OR ( luis rdf heat transfer test _ ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a den transfer bei carl ) or ( luis rdf heat transfer test _ ))*.