Perhaps you should try some spelling variations:
huang yang » huang chang, wang yang, yang yang
huang ying » huang jing, huang ting, huang bin
china can » china case
gain john » grin john, gutin john, swain john
john kong » john king, john song, john wong
can gain » can regain, care gain, can aid
kong siu » kong eiu, wong siu, dong sin

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