Perhaps you should try some spelling variations:
transfer policies » transport policies, transfer prices, transfer policy
policies chapter » policy chapter
cash transfer » cash transfers
data transfer » heat transfer
transfer der » transfer fees, transfer _
der marc » der mark, der markt, der marel
luis rdf » luis f, luis de
rdf data » dlf data, imf data
luis a » luis f, luis c
a cash » a case

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 cash transfer der marc ) OR ( luis rdf data transfer policies chapter ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis a cash transfer der marc ) or ( luis rdf data transfer policies chapter ))*.