Perhaps you should try some spelling variations:
self transport » sea transport, salt transport, shift transport
transport fuel » transport fares
a transfer » cash transfer, heat transfer, data transfer
areas two » areas co
guias der » guias de, guia de, bias der
fuel a » fuel _, fuel tax, fuel gas
der a » der _, der e

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( areas two self transport fuel a ) or ( guias der a transfer _ ao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( areas two self transport fuel a ) OR ( guias der a transfer _ ao ))*.