Perhaps you should try some spelling variations:
huang yang » huang ying, huang chang, wang yang
yang yang » wang yang, wang yan
wong john » wrong john, kong john, longo john
wong shiu » wong siu, cong shu, song shin
fang wei » wang wei, zhang wei, liang wei
wong sau » wong sam, wong siu, wong lai
yang xi » yang di, yang yi, yang jui
l wong » l wang, y wong

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: ((huang yang) OR (yang yang)) ((yang xi) OR (fang wei)) l wong john ((wong sau) OR (wong shiu)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((huang yang) or (yang yang)) ((yang xi) or (fang wei)) l wong john ((wong sau) OR (wong shiu)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((huang yang) or (yang yang)) ((yang xi) or (fang wei)) l wong john ((wong sau) OR (wong shiu)) ;*.