Perhaps you should try some spelling variations:
china korea » china more
huang ying » huang jing, huang ting, huang yang
korea bang » korea sang, korea can
yang yang » wang yang, wang yan
bang john » king john, kong john, wong john
john kong » john king, john song, john wong
kong siu » kong eiu, wong siu, dong sin

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((yang yang) OR (huang ying)) can china korea bang john kong siu ;~".
• Adding a wildcard symbol may retrieve word variants: ((yang yang) OR (huang ying)) can china korea bang john kong siu ;*.