Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
chen zheng » chen aizheng, cheng zhang, chen zhe
wang yang » wang yan, wang liang, wang yanling
chen zhen » chen zhe
ming hung » dang hung, fung hung, men hung
yan wang » yuan wang, yang yang, qian wang
yang hoa » bang how, jang ho, mong hoa
hung ho » gung ho, sung ho

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: yan wang yang hoa ((china zhang) OR (((chen zheng) OR (chen zhen)))) ming hung ho ;~.
• Adding a wildcard symbol may retrieve word variants: yan wang yang hoa ((china zhang) or (((chen zheng) or (chen zhen)))) ming hung ho ;*.