Perhaps you should try some spelling variations:
transport data » transport demand
sea transport » road transport, bus transport
transfer 3 » transfer 4, transfer a, transfer 3.2
data macao » data macro
luis c » luis f
c head » _ head, a head
c sea » _ sea, a sea, 9 sea

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: (( luis c head ((transfer 3) OR (transfer _)) cash ) OR ( luis c sea transport data macao ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis c head ((transfer 3) OR (transfer _)) cash ) or ( luis c sea transport data macao ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis c head ((transfer 3) OR (transfer _)) cash ) or ( luis c sea transport data macao ))*.