Perhaps you should try some spelling variations:
china wang » china yang, china chang, china zhang
chua wang » chuan bang, chen wang, chua beng
dong hua » wang hua, tong hui, dong hoi
hua yang » hui yang, huang yang, hua jiang
jing dan » king dan, jing fang, liang dan
wong sam » wong sau, wong lai, kong sar
shin » skin, sein, thin

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: dong hua yang ((chua wang) OR (china wang)) jing dan ((wong sam) OR (song shin)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong hua yang ((chua wang) OR (china wang)) jing dan ((wong sam) or (song shin)) ;~".
• Adding a wildcard symbol may retrieve word variants: dong hua yang ((chua wang) OR (china wang)) jing dan ((wong sam) or (song shin)) ;*.