Perhaps you should try some spelling variations:
yuan chang » yuan cheng, huang chang, han chang
rene tang » rene ten
tuan hua » tuan vu, yuan hui
tang min » chang min, sang minh, yang mind
min hong » amin hong, tin hong, min hyoung
tan hua » wang hua, tan chia, tan puay
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 (tan hua)) rene tang min hong yu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "yuan chang ((tuan hua) OR (tan hua)) rene tang min hong yu ;".
• Adding a wildcard symbol may retrieve word variants: yuan chang ((tuan hua) OR (tan hua)) rene tang min hong yu ;*.