Perhaps you should try some spelling variations:
green transport » urban transport, carbon transport
costs transfer » cost transfer, cast transfer, loss transfer
transfer field » transfers field, transfer file, transfer fees
3 costs » 3 cost, 4 costs
field a » field _, field 3, field 4
luis 3 » luis c, luis a, luis e
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 costs transfer field a ) OR ( ((luis 2) OR (luis f)) green transport _ macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( luis 3 costs transfer field a ) or ( ((luis 2) or (luis f)) green transport _ macao ))*.