Perhaps you should try some spelling variations:
basin transfer » cash transfer, bank transfer
sex transport » sea transport, de transport, den transport
demand den » demand due, demand led, demand driven
guias sea » guias de
sea basin » sub basin
aguas do » aguas de, aguas del
do sex » do sel

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 sex transport demand den ) OR ( guias sea basin transfer _ macao ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas do sex transport demand den ) or ( guias sea basin transfer _ macao ))*.