Perhaps you should try some spelling variations:
transport firms » transport fares, transport fuels, transport air
use transport » mule transport, bus transport, sea transport
cash transfer » cash transfers
areas coal » areas can, areas co
guias de » guia de, guide de, aguas de
firms a » firms _
de cash » de cas, do cash, de caso
3 ao » 3 co, 3 do, 3 ai

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 use transport firms a ) OR ( guias de cash transfer ((3 ao) OR (3 a)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas coal use transport firms a ) or ( guias de cash transfer ((3 ao) OR (3 a)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas coal use transport firms a ) or ( guias de cash transfer ((3 ao) OR (3 a)) ))*.