Perhaps you should try some spelling variations:
roads transport » road transport, goods transport, road tansport
transport a » transport _, transport data
areas cost » areas post, areas case, areas cash
cost roads » cross roads, close roads, core roads
transfer 3 » transfer _, transfer a, transfer 3.2
transfer 4 » transfer _, transfer a, transfer der
aguas do » aguas de, aguas del
a a » a la

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 cash ((transfer 3) OR (transfer 4)) ao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas cost roads transport a a ) or ( aguas do cash ((transfer 3) OR (transfer 4)) ao ))~".
• Adding a wildcard symbol may retrieve word variants: (( areas cost roads transport a a ) or ( aguas do cash ((transfer 3) OR (transfer 4)) ao ))*.