Perhaps you should try some spelling variations:
china zhang » china chang, cheng zhang, chin chang
zhang hong » zhang rong, change hong, zhang zhang
yang yang » wang yang
yang jui » yang judy, yang di, yang yi
wong siu » wong shiu, kong siu, wong sau
yang xi » yang di, yang yi
wang » wing, wan, lang
kong » long, pong, ong

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang yan) or (yang yang)) ((yang jui) or (yang xi)) china zhang hong ((kong sar) or (wong siu)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang yan) OR (yang yang)) ((yang jui) OR (yang xi)) china zhang hong ((kong sar) OR (wong siu)) ;.
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (yang yang)) ((yang jui) or (yang xi)) china zhang hong ((kong sar) or (wong siu)) ;*.