Perhaps you should try some spelling variations:
cas transfers » cash transfers, cash transfer's, cash transfer
transfers 3 » transfers _, transfer 3, transfer _
areas co » areas coal, areas act, areas can
guias de » guia de, guide de, aguas de
co road » do road, core road, cold road
fuels a » fuels _, fuels 4
fuel a » fuel _, fuel tax, fuel gas
3 do » _ do, 3 d, 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 co road transport ((fuels a) OR (fuel a)) ) OR ( guias de cas transfers 3 do ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas co road transport ((fuels a) OR (fuel a)) ) or ( guias de cas transfers 3 do ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas co road transport ((fuels a) OR (fuel a)) ) or ( guias de cas transfers 3 do ))*.