Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
than china » tuan china, han china, can china
wang hong » wang yong, wang hyoung, wang lihong
tan yang » tan ying, tan yong, tao yang
dan yang » daun yang, wang yang, yang yang
eang hay » dang hai, kang han
xi eang » xi kang, xi zhang

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 hong ((than china) OR (wuhan china)) ((tan yang) OR (dan yang)) xi eang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hong ((than china) OR (wuhan china)) ((tan yang) or (dan yang)) xi eang hay ;~".
• Adding a wildcard symbol may retrieve word variants: wang hong ((than china) OR (wuhan china)) ((tan yang) or (dan yang)) xi eang hay ;*.