Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
than china » tuan china, han china, can china
china wang » china yang, china chang, china zhang
wang yang » wang yan, wang liang, wang yanling
yang tong » yang yang, yan cong, yang jing
qian yan » qian jun, qian yi
tan chia » tuan china, can china, dan china
tong hui » wang hui

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: qian yan ((tan chia) or (((than china) OR (wuhan china)))) china wang yang tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan ((tan chia) OR (((than china) OR (wuhan china)))) china wang yang tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan ((tan chia) or (((than china) OR (wuhan china)))) china wang yang tong hui ;*".