Perhaps you should try some spelling variations:
transport fuel » transport fares
based transfer » based transfers, basin transfer, basin transfers
areas coal » areas can, areas co
coal road » local road, toll road, coal cold
guias de » guia de, guide de, aguas de
de based » dge based, de base, de bases
fuel 4 » fuel _, fuel a, fuel 4.5
4 do » _ do, 1 do, 2 do
i do » _ do, i o, 1 do

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: (( areas coal road transport fuel 4 ) OR ( guias de based transfer ((4 do) OR (i do)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas coal road transport fuel 4 ) or ( guias de based transfer ((4 do) OR (i do)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas coal road transport fuel 4 ) or ( guias de based transfer ((4 do) OR (i do)) ))*.