Perhaps you should try some spelling variations:
transfer risks » transfer risk
transfer beim » transfer bei, transfers bei, transfer axiom
risks across » risk across, costs across, firms across
net transfer » net transfers, money transfer, data transfer
rene heat » rice heat
luis a » luis c
acao » cacao, macao, cao

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 rene heat transfer risks across ) OR ( ((luis a) OR (luis f)) net transfer beim acao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis rene heat transfer risks across ) or ( ((luis a) OR (luis f)) net transfer beim acao ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis rene heat transfer risks across ) or ( ((luis a) OR (luis f)) net transfer beim acao ))*.