Perhaps you should try some spelling variations:
dong hoang » hong hong
juan rene » juan meng, juan rana
yuan wang » yan wang, yuan kang, yuan chang
shang hai » shang kai, dang hai, chang ha
hua rene » hua ren
hong ghi » zhong zhi, hong g, hong hai
hoang y » hoang sy, hoang _, hoang h

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