Perhaps you should try some spelling variations:
transport air » transport a, transport data, transport _
cash transfer » cash transfers
transfer a » transfer _, transfer 3, transfer 4
guias de » guia de, guide de, aguas de
co seam » ice seam
de cash » de cas, do cash, de caso
air _ » fair _
a a » a la
coal » goal, col

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