Perhaps you should try some spelling variations:
dong hoang » hong hong
yuan kang » yuan chang, chan kang, yuan kai
yuan wang » yan wang, yuan chang, qian wang
hua rene » hua ren, juan rene
hong ghi » zhong zhi, hong g, hong hai
hoang y » hoang sy, hoang _, hoang h
y hua » ya hua, _ hua, y hu
hai » hadi, haji, hari

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: dong hoang y hua rene ((yuan kang) OR (yuan wang)) ((hong ghi) or (dang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hoang y hua rene ((yuan kang) OR (yuan wang)) ((hong ghi) OR (dang hai)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong hoang y hua rene ((yuan kang) OR (yuan wang)) ((hong ghi) or (dang hai)) ;".
• Adding a wildcard symbol may retrieve word variants: dong hoang y hua rene ((yuan kang) OR (yuan wang)) ((hong ghi) or (dang hai)) ;*.