Perhaps you should try some spelling variations:
tuan china » wuhan china, can china, taiwan china
wang hong » wang yong, wang hyoung, wang lihong
tan chia » than china, can china, dan china
dan yang » daun yang, tan yang, wang yang
tao yang » yao yang, tan yang, xiao yang
kang hay » eang hay, kang han, dang hai
xi kang » jin 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 ((tan chia) OR (tuan china)) ((dan yang) OR (tao yang)) xi kang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hong ((tan chia) OR (tuan china)) ((dan yang) or (tao yang)) xi kang hay ;~".
• Adding a wildcard symbol may retrieve word variants: wang hong ((tan chia) OR (tuan china)) ((dan yang) or (tao yang)) xi kang hay ;*.