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

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