Perhaps you should try some spelling variations:
green transport » urban transport, carbon transport
transfer field » transfers field, transfer file, transfer fees
cost transfer » cast transfer, court transfer, cash transfer
field a » field _, field 3, field 4
luis 3 » luis f, luis c, luis a
3 cost » 3 costs, 2.3 cost, 3.3 cost
luis 2 » luis f, luis c, luis a

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