Perhaps you should try some spelling variations:
transfer test » transfer west, transform test, transfer cost
data transfer » cash transfer, heat transfer
transfer bei » transfer beim, transfers bei, transfer der
bei carl » wei carol, iii carl
luis rdf » luis f, luis de
rdf data » dlf data, imf data
a den » _ den, a der, i den
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 den) OR (a des)) transfer bei carl ) OR ( luis rdf data transfer test _ ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis ((a den) OR (a des)) transfer bei carl ) or ( luis rdf data transfer test _ ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis ((a den) OR (a des)) transfer bei carl ) or ( luis rdf data transfer test _ ))*.