Perhaps you should try some spelling variations:
chin chang » china chang, chain change, china zhang
huang chin » huang chang, huang cheng, hang china
wang yong » wang yang, wang hyoung, wang yan
yong gang » gong gang, hong gang, yong phang
yan guan » gan guan, yan yuan, yang guang
chang ha » chang mae
yan tan » yan clan, yan wang, yan yuan
tan tan » tas tan, tin tan, tang tang

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: wang yong gang ((((yan tan) OR (yan guan))) OR (tan tan)) huang chin chang ha ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yong gang ((((yan tan) OR (yan guan))) or (tan tan)) huang chin chang ha ;~".
• Adding a wildcard symbol may retrieve word variants: wang yong gang ((((yan tan) OR (yan guan))) or (tan tan)) huang chin chang ha ;*.