Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
rene wang » wen wang
tuan hua » tan hua, tuan vu
yuan hui » yuan fei, jaan hui, yang hui
wang tin » wang lin, wang qin, wang jing
tin hong » tan hong, kia hong, thi hong
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 wang tin hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yuan chang ((tuan hua) OR (yuan hui)) rene wang tin hong yu ;.
• Adding a wildcard symbol may retrieve word variants: yuan chang ((tuan hua) or (yuan hui)) rene wang tin hong yu ;*.