Perhaps you should try some spelling variations:
kang hoang » anh hoang, dong hoang, kang young
china rene » china ren, china real, china reza
china rate » china state, china water, china rail
chan kang » chung kang, chan eng, chan fong
yang tan » yang dean, yang yang, liang tan
yang fan » zhang fan, yang dean, yang yang
hong yu » wong yue

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: chan kang hoang ((china rene) OR (china rate)) ((yang tan) OR (yang fan)) hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "chan kang hoang ((china rene) or (china rate)) ((yang tan) OR (yang fan)) hong yu ;~".
• Adding a wildcard symbol may retrieve word variants: chan kang hoang ((china rene) or (china rate)) ((yang tan) OR (yang fan)) hong yu ;*.