Perhaps you should try some spelling variations:
yuan wang » yuan kang, yuan chang, qian wang
hai phong » bai chong, kai hong
than hung » thai hung, thanh mung, van hung
yan wang » yang yang, qian wang, yan liang
eng hong » hong hong, kong hong, ong chong
hai hong » kai hong, thai hung, bai chong
ning li » ling li, liang li, qiang li

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((yuan wang) OR (yan wang)) ning li eng hong ((((hai hong) OR (hai phong))) OR (than hung)) sau ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((yuan wang) OR (yan wang)) ning li eng hong ((((hai hong) or (hai phong))) or (than hung)) sau ;~".
• Adding a wildcard symbol may retrieve word variants: ((yuan wang) OR (yan wang)) ning li eng hong ((((hai hong) or (hai phong))) or (than hung)) sau ;*.