Perhaps you should try some spelling variations:
kang hoang » anh hoang, kang young, kang han
dong hoang » hong hong
china rene » china ren, china rate, china real
china rail » china grain, china rate, china real
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 hoang) OR (dong 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 hoang) OR (dong 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 hoang) OR (dong hoang)) ((china rene) or (china rail)) yang di hong yu ;*".