Perhaps you should try some spelling variations:
radon transform » can transform, alone transform, brands transform
car transport » air transport, carbon transport, charge transport
don transform » can transform, alone transform, data transform
aguas des » aguas de, aguas del, aguas do
costs a » costs _, costs 4
sur a » sur la, sgr a, sul a
guias » guia

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: (( guias _ car transport costs a ) OR ( aguas des ((don transform) OR (radon transform)) sur a ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( guias _ car transport costs a ) or ( aguas des ((don transform) OR (radon transform)) sur a ))~".
• Adding a wildcard symbol may retrieve word variants: (( guias _ car transport costs a ) or ( aguas des ((don transform) OR (radon transform)) sur a ))*.