Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, xuan thang
han chang » huang chang, than change, can change
rene wang » wen wang
tuan hua » tan hua, tuan vu
yuan hui » yuan fei, jaan hui, yang hui
wang min » tang min, wang lin, wang qin
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) OR (han chang)) ((tuan hua) or (yuan hui)) rene wang min hong yu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan chang) OR (han chang)) ((tuan hua) OR (yuan hui)) rene wang min hong yu ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan chang) OR (han chang)) ((tuan hua) or (yuan hui)) rene wang min hong yu ;".
• Adding a wildcard symbol may retrieve word variants: ((yuan chang) OR (han chang)) ((tuan hua) or (yuan hui)) rene wang min hong yu ;*.