Perhaps you should try some spelling variations:
yunnan china » urban china, tuan china, yunnan sheng
wuhan china » tuan china
yuan chang » yuan cheng, huang chang, han chang
huang yang » huang ying, huang chang, wang yang
rene wang » wen wang
wang life » long life, wang li, wang lin
life wong » life long, life among, life work
wong yue » wang yue, hong yu

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan chang) OR (huang yang)) ((yunnan china) OR (wuhan china)) rene wang life wong yue ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan chang) OR (huang yang)) ((yunnan china) OR (wuhan china)) rene wang life wong yue ;*.