Perhaps you should try some spelling variations:
wan xiaodong » wang xiaodong, wang xianodong, han xiaorong
yunnan china » urban china, tuan china, yunnan sheng
wuhan china » tuan china
joon change » joon chang, cook change, down change
kyung joon » kyung woo, seung joon
change has » change hands, change heat, change how
wen kyung » lee kyung, han kyung, jin kyung

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan xiaodong ((wuhan china) or (yunnan china)) wen kyung joon change has ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan xiaodong ((wuhan china) OR (yunnan china)) wen kyung joon change has ;*.