Perhaps you should try some spelling variations:
sel transport » sea transport, fuel transport, real transport
transport sft » transport safety, transport asset, transport safer
transfer 3 » transfer _, transfer a, transfer 3.2
transfer 4 » transfer _, transfer a, transfer der
aguas do » aguas de, aguas del
guias f » guias de
do sel » do sul, do sex, do sol
f mass » _ mass, a mass, 1 mass
sft a » set a, sft 3

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( aguas do sel transport sft a ) or ( guias f mass ((transfer 3) OR (transfer 4)) co ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( aguas do sel transport sft a ) OR ( guias f mass ((transfer 3) OR (transfer 4)) co ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( aguas do sel transport sft a ) or ( guias f mass ((transfer 3) OR (transfer 4)) co ))*".