Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
tuan china » wuhan china, can china, taiwan china
tuan hua » tuan vu, yuan hui
yang jin » yang jie, yang jun, ying jin
wong yue » wang yue, hong yu
tan hua » wang hua, tan chia, tan puay
zong yu » hong yu, rong yu, song yun

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

• Performing a fuzzy search may retrieve terms with similar spellings: yuan chang ((((tan hua) or (tuan china))) or (tuan hua)) rene yang jin ((zong yu) OR (wong yue)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan chang ((((tan hua) OR (tuan china))) OR (tuan hua)) rene yang jin ((zong yu) OR (wong yue)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan chang ((((tan hua) or (tuan china))) or (tuan hua)) rene yang jin ((zong yu) OR (wong yue)) ;".
• Adding a wildcard symbol may retrieve word variants: yuan chang ((((tan hua) or (tuan china))) or (tuan hua)) rene yang jin ((zong yu) OR (wong yue)) ;*.