Perhaps you should try some spelling variations:
wuhan china » yunnan china
than china » han china, can china, dan china
tuan china » can china, taiwan china, yunnan china
wang yang » wang yan, wang liang
xing hadi » xing hui
yang fan » zhang fan, yang dean, yang yang
fan xing » fan ying, fan xibo, tan xin

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 yanling ((than china) OR (((tuan china) OR (wuhan china)))) wang yang fan xing hadi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yanling ((than china) or (((tuan china) OR (wuhan china)))) wang yang fan xing hadi ;~".
• Adding a wildcard symbol may retrieve word variants: wang yanling ((than china) or (((tuan china) OR (wuhan china)))) wang yang fan xing hadi ;*.