Perhaps you should try some spelling variations:
transport fuels » transport fuel, transport fares, transport access
based transfer » based transfers, basin transfer, basin transfers
guias de » guia de, guide de, aguas de
de based » dge based, de base, de bases
two sea » two sex, two step, two star
fuels a » fuels _, fuel a, fuels 4

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (( areas ((two sea) OR (two self)) transport fuels a ) or ( guias de based transfer _ o ))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (( areas ((two sea) OR (two self)) transport fuels a ) OR ( guias de based transfer _ o ))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( areas ((two sea) OR (two self)) transport fuels a ) or ( guias de based transfer _ o ))*".