Perhaps you should try some spelling variations:
dong hoang » hong hong
hoang wang » hong wang, hoang making
wang china » hang china, wang china's, kong china
china wang » china yang, china chang, china zhang
wang yang » wang yan, wang liang, wang yanling
yang sun » yang jun, yang yun, gang sung
wong sau » wong sam, wong siu, wong shiu
shin » skin, sein, thin

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 wang china wang yang sun ((wong sau) or (song shin)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dong hoang wang china wang yang sun ((wong sau) OR (song shin)) ;*.