Perhaps you should try some spelling variations:
roads transport » road transport, goods transport, road tansport
transport a » transport _, transport data
transfers 3 » transfers _, transfer 3, transfer _
areas cost » areas post, areas case, areas cash
cost roads » cross roads, close roads, core roads
do cas » de cas, du cas
3 ao » 3 a, 3 co, 3 do
a a » a la
cash » case

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 cost roads transport a a ) OR ( aguas ((do cas) OR (do cash)) transfers 3 ao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas cost roads transport a a ) or ( aguas ((do cas) OR (do cash)) transfers 3 ao ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas cost roads transport a a ) or ( aguas ((do cas) OR (do cash)) transfers 3 ao ))*.