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

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 h hua rene yuan wang ((hong ghi) or (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hoang h hua rene yuan wang ((hong ghi) OR (shang hai)) ;.
• Adding a wildcard symbol may retrieve word variants: dong hoang h hua rene yuan wang ((hong ghi) or (shang hai)) ;*.