Perhaps you should try some spelling variations:
than china » tuan china, han china, wuhan china
yuan kai » yuan kang, yuan fei, tan kai
min tong » min hong, xin tong, minh cong
tong hui » wang hui
tao hua » tan hua, tuan hua
yan min » han min, kan min, yang mind
wang » wing, wan, lang

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 yan) OR (yuan kai)) ((tao hua) OR (than china)) ren yan min tong hui ;~.
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (yuan kai)) ((tao hua) or (than china)) ren yan min tong hui ;*.