Perhaps you should try some spelling variations:
china's transport » africa's transport, india's transport
debatten fourth » debate fourth
fourth transfer » court transfer, fourth answer, fruit transfer
3.2.6 debatten » 2.1 debatten, 9.2 debatten
transfer costs » transport costs, transfer amounts
demand cacao » demand case, demand data, demand local
costs cao » costs case, costs cash, costs chap

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: (( 3.2.6 debatten fourth transfer costs cao ) OR ( luis _ china's transport demand cacao ))~.
• Adding a wildcard symbol may retrieve word variants: (( 3.2.6 debatten fourth transfer costs cao ) or ( luis _ china's transport demand cacao ))*.