Perhaps you should try some spelling variations:
land transfers » funds transfers, cash transfers, land transport
sea transport » road transport, bus transport
guias does » guias de, guns does
aguas do » aguas de, aguas del
do sea » do sel, do sex, do sveta
ai ao » ai a
ai ai » ai a, ii ai, vi ai

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 sea transport _ a ) or ( guias does land transfers ((ai ao) OR (ai ai)) ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( aguas do sea transport _ a ) OR ( guias does land transfers ((ai ao) OR (ai ai)) ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( aguas do sea transport _ a ) or ( guias does land transfers ((ai ao) OR (ai ai)) ))*".