Perhaps you should try some spelling variations:
huang yang » huang ying, huang chang, yang yang
huang ting » huang jing, huang ying, huang bin
wang yang » wang yan, wang liang, wang yanling
gain john » grin john, gutin john, swain john
john wong » john song, john bonn
wong siu » wong shiu, kong siu, wong sau
china 3 » china 1
3 gain » 3 grain, _ gain, n gain

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 (wang yang))) OR (huang ting)) can china 3 gain john wong siu ;~.
• Adding a wildcard symbol may retrieve word variants: ((((huang yang) or (wang yang))) or (huang ting)) can china 3 gain john wong siu ;*.