Perhaps you should try some spelling variations:
transport fire » transport fare, transport fares, transport air
den transport » de transport, sea transport, ion transport
a transfer » cash transfer, heat transfer, data transfer
transfer 3 » transfer _, transfer 4, transfer a
areas co » areas coal, areas act, areas can
bias der » bias des, bias over, das der
fire a » fire _
der a » der _, der e
3 ao » 3 a, 3 co, 3 do

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: (( ((areas two) OR (areas co)) den transport fire a ) OR ( bias der a transfer 3 ao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((areas two) OR (areas co)) den transport fire a ) or ( bias der a transfer 3 ao ))~".
• Adding a wildcard symbol may retrieve word variants: (( ((areas two) OR (areas co)) den transport fire a ) or ( bias der a transfer 3 ao ))*.