Perhaps you should try some spelling variations:
chung kang » chung kay, chung tong
china rene » china ren, china rate, china real
china rail » china grain, china rate, china real
chan kang » chan eng, chan fong, chan jan
di hong » kia hong, thi hong, tin hong
hong yu » wong yue
yang » lang, wang

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((chan kang) OR (chung kang)) hoang ((china rene) or (china rail)) yang di hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((chan kang) OR (chung kang)) hoang ((china rene) OR (china rail)) yang di hong yu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((chan kang) OR (chung kang)) hoang ((china rene) or (china rail)) yang di hong yu ;*".