Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
wang yang » wang yan, wang liang, wang yanling
gain yang » dan yang, daun yang, tan yang
yuan hui » yuan fei, jaan hui, tuan hua
yang jun » yang jui, pang jun, yang jin
jun kang » jin kang, yuan kang, wu kang
kang hai » dang hai, kang han, shang 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 yang ((yuan hui) OR (((tan hua) OR (than china)))) gain yang jun kang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yang ((yuan hui) or (((tan hua) or (than china)))) gain yang jun kang hai ;*.