Perhaps you should try some spelling variations:
based transfer » based transfers, basin transfer, basin transfers
transport air » transport data, transport _, transport 2.1
transport a » transport _, transport data
aguas do » aguas de, aguas del
guias de » guia de, guide de, aguas de
de based » dge based, de base, de bases
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 air) OR (transport a)) den ) OR ( guias de based transfer _ macao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( aguas do sex ((transport air) OR (transport a)) den ) or ( guias de based transfer _ macao ))~".
• Adding a wildcard symbol may retrieve word variants: (( aguas do sex ((transport air) OR (transport a)) den ) or ( guias de based transfer _ macao ))*.