Perhaps you should try some spelling variations:
language course » language culture
trade transport » road transport, free transport, de transport
transfer risks » transfer risk
wage transfer » waste transfer, wire transfer, value transfer
risks across » risk across, costs across, firms across
course trade » course time, course tpack
transport a » transport _, transport data
ideal fund » ideal und, ideale und
fund wage » fund age, fund case, fund name
a co2 » _ co2, a cod, a coe

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: (( ideal fund wage transfer risks across ) OR ( language course trade transport a co2 ))~.
• Adding a wildcard symbol may retrieve word variants: (( ideal fund wage transfer risks across ) or ( language course trade transport a co2 ))*.