Perhaps you should try some spelling variations:
china's transport » africa's transport, india's transport
transport cost » transport costs
based transfer » based transfers, basin transfer, basin transfers
two china's » mo china's, from china's
aguas two » aguas do, areas two
aguas de » aguas del, aguas do, vagues de
de based » dge based, de base, de bases
cost a » cost _, cost 4, cost 5
4 aoi » 4 api
3 ap3 » 3 api, 3 np3

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 two china's transport cost a ) OR ( aguas de based transfer ((4 aoi) OR (3 ap3)) ))~.
• Adding a wildcard symbol may retrieve word variants: (( aguas two china's transport cost a ) or ( aguas de based transfer ((4 aoi) or (3 ap3)) ))*.