Perhaps you should try some spelling variations:
china wang » china yang, china chang, china zhang
than china » tuan china, han china, wuhan china
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, dan china, han 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 (can china))) or (than china)) china wang yang tong hui ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: qian yan ((((tan chia) OR (can china))) OR (than china)) china wang yang tong hui ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "qian yan ((((tan chia) OR (can china))) or (than china)) china wang yang tong hui ;*".