Perhaps you should try some spelling variations:
wang daoping » wang xiaoping, wang danning, wang xiaobing
gain yang » daun yang, tan yang, yin yang
amin hong » min hong, among hong, tin hong
dan yang » daun yang, tan yang, wang yang
hong hai » shang hai, zhong tai, dang hai
tan hua » tuan hua, wang hua, tan chia

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 daoping tan hua ((gain yang) OR (dan yang)) amin hong hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang daoping tan hua ((gain yang) or (dan yang)) amin hong hai ;*.