Perhaps you should try some spelling variations:
wang dong » wang yong, wang hong, wang jing
wang yang » wang yan, wang liang, wang yanling
hoang hai » hong hai, dang hai, hoang h
hai rest » hai ren, i rest
yang jin » yang jie, yang jun, ying jin
jin wong » jin song, john wong, jin ying
wong sam » wong sau, wong lai, kong sar

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang dong) or (wang yang)) hoang hai rest yang jin wong sam ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang dong) OR (wang yang)) hoang hai rest yang jin wong sam ;.
• Adding a wildcard symbol may retrieve word variants: ((wang dong) or (wang yang)) hoang hai rest yang jin wong sam ;*.