Perhaps you should try some spelling variations:
green transport » urban transport, carbon transport
loss transfer » mass transfer, cost transfer, load transfer
transfer file » transfer fee, transfer from, transfer fees
luis 3 » luis c, luis a, luis e
file a » file _, file 1, file 2
luis 2 » luis c, luis a, luis e

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 3 loss transfer file a ) OR ( ((luis 2) OR (luis f)) green transport _ macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis 3 loss transfer file a ) or ( ((luis 2) or (luis f)) green transport _ macao ))*.