Perhaps you should try some spelling variations:
real transport » rural transport, road transport, rail transport
transport set » transport asset, transport sector, transport safety
aguas do » aguas de, aguas del
do real » des real
guias a » guias de
a cash » a case
set a » set _, get a
3 co » _ co, 2 co
a co » _ co

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