Perhaps you should try some spelling variations:
wang wang » wang yang, wang liang, wang yan
yang muxi » yang jui, yang xi, yang hui
song minh » sang minh, song min, song ming
wong shiu » cong shu, song shin, wong sau
kim song » kim young, kim eung
wong siu » kong siu, wong sau, wong siew
hong hai » shang hai, zhong tai, dang hai

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang wang ((yan muxi) OR (yang muxi)) kim song minh ((((wong shiu) or (wong siu))) or (hong hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang wang ((yan muxi) OR (yang muxi)) kim song minh ((((wong shiu) OR (wong siu))) OR (hong hai)) ;.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang wang ((yan muxi) OR (yang muxi)) kim song minh ((((wong shiu) or (wong siu))) or (hong hai)) ;".
• Adding a wildcard symbol may retrieve word variants: wang wang ((yan muxi) OR (yang muxi)) kim song minh ((((wong shiu) or (wong siu))) or (hong hai)) ;*.