Perhaps you should try some spelling variations:
china's transport » africa's transport, india's transport
transport du » transport _, transport a, transport 4
c china's » _ china's, 3 china's, 1 china's
du marx » did marx
ideas c » ideas _, ideas 4, ideas 5
ideas a » ideas _
luis c » luis f
luis 2 » luis f, luis a, luis e
2 heat » _ heat, a heat, 1 heat

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 china's transport du marx ) OR ( luis 2 heat transfer ((ideas c) OR (ideas a)) ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( luis c china's transport du marx ) or ( luis 2 heat transfer ((ideas c) OR (ideas a)) ))~".
• Adding a wildcard symbol may retrieve word variants: (( luis c china's transport du marx ) or ( luis 2 heat transfer ((ideas c) OR (ideas a)) ))*.