Perhaps you should try some spelling variations:
dong hoang » hong hong
hoang yao » yang yao, gang yao
sang minh » kang minah, anh minh, song min
minh hong » minh cong, min hong, linh hoang
hua west » a west, hua wei, out west
ost west » east west
hong ghi » zhong zhi, hong g, hong hai

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 yao ((hua west) or (ost west)) sang minh hong ghi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hoang yao ((hua west) OR (ost west)) sang minh hong ghi ;.
• Adding a wildcard symbol may retrieve word variants: dong hoang yao ((hua west) or (ost west)) sang minh hong ghi ;*.