Perhaps you should try some spelling variations:
river transport » air transport, water transport, private transport
world transfer » world transport, food transfer, bond transfer
transfer risks » transfer risk
transport cost » transport costs
risks across » risk across, costs across, firms across
language use » language _
und world » fund world, undp world, 2nd world
use river » use cover, sa river, sea river
coda und » codes und, cerda und, chora und
cost cod » cost low, cost 3d, cost cs

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: (( coda und world transfer risks across ) OR ( language use river transport cost cod ))~.
• Adding a wildcard symbol may retrieve word variants: (( coda und world transfer risks across ) or ( language use river transport cost cod ))*.