Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
rene wang » wen wang
wang amin » wang limin, wang lin, wang qin
amin wong » amin hong, min hong
wong yue » wang yue, hong yu
tan hua » tuan hua, wang hua, tan chia
tuan vu » thanh vu, tuan hua

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 vu)) rene wang amin wong yue ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan chang ((tan hua) OR (tuan vu)) rene wang amin wong yue ;.
• Adding a wildcard symbol may retrieve word variants: yuan chang ((tan hua) or (tuan vu)) rene wang amin wong yue ;*.