Perhaps you should try some spelling variations:
wang hong » wang hyoung, wang lihong, wang heyong
wang yong » wang yang, wang hyoung, wang yan
wong sau » wong siu, wong shiu, wong lai
gain yan » gain a, nan yan
minh hoa » mind how
wong sam » wong lai, kong sar, von sam
jong hua » dong hua, wang hua, jong ho
yan jiu » yang jie, yang jin, pang jiu

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang hong) or (wang yong)) ((jong hua) or (minh hoa)) gain yan jiu ((wong sau) OR (wong sam)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang hong) OR (wang yong)) ((jong hua) OR (minh hoa)) gain yan jiu ((wong sau) OR (wong sam)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang hong) or (wang yong)) ((jong hua) or (minh hoa)) gain yan jiu ((wong sau) OR (wong sam)) ;".
• Adding a wildcard symbol may retrieve word variants: ((wang hong) or (wang yong)) ((jong hua) or (minh hoa)) gain yan jiu ((wong sau) OR (wong sam)) ;*.