Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
rene tang » rene ten
tuan hua » tan hua, tuan vu
yuan hui » yuan fei, jaan hui, yang hui
tang min » chang min, sang minh, yang mind
min hong » amin hong, tin hong, min hyoung
hong yu » wong yue

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 ((tuan hua) or (yuan hui)) rene tang min hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan chang ((tuan hua) OR (yuan hui)) rene tang min hong yu ;.
• Adding a wildcard symbol may retrieve word variants: yuan chang ((tuan hua) or (yuan hui)) rene tang min hong yu ;*.