Perhaps you should try some spelling variations:
land transfers » funds transfers, cash transfers, land transport
sea transport » road transport, bus transport
transfers ai » transfers i, transfers bei, transfers dau
guias does » guns does
aguas do » aguas de, aguas del
guias de » guia de, guide de, aguas de
do sea » do sel, do sex, do sveta
ai ao » ai a, ai 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) OR (guias de)) land transfers ai ao ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( aguas do sea transport _ a ) OR ( ((guias does) OR (guias de)) land transfers ai ao ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( aguas do sea transport _ a ) or ( ((guias does) OR (guias de)) land transfers ai ao ))*".