Perhaps you should try some spelling variations:
wuhan china » tuan china, yunnan china
huang ting » huang jing, huang ying, huang bin
yuan ming » yuan ting, kian ming, tuan minh
china wen » chia wen, china won, ching wen
wen yang » wei yang, wen wang, chen yang
jui cong » jui meng, li cong
jiu cong » li cong

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: ((yuan ming) OR (huang ting)) wuhan china wen yang ((jui cong) OR (jiu cong)) shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan ming) or (huang ting)) wuhan china wen yang ((jui cong) OR (jiu cong)) shu ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan ming) or (huang ting)) wuhan china wen yang ((jui cong) OR (jiu cong)) shu ;*.