Perhaps you should try some spelling variations:
yan zhang » yuan chang, bin zhang, han chang
zhang hai » zhang dai, shang hai, zhang han
yang jin » yang jie, yang jun, ying jin
yang jui » yang judy, yang yi
wong sau » wong sam, wong siu, wong shiu
nan yan » nan ya, wang yan, qian yan
yang xi » yang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: nan yan zhang hai ren ((yang jin) or (((((yang xi) or (yang jui))) or (yang di)))) wong sau ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan zhang hai ren ((yang jin) OR (((((yang xi) OR (yang jui))) OR (yang di)))) wong sau ;.
• Adding a wildcard symbol may retrieve word variants: nan yan zhang hai ren ((yang jin) or (((((yang xi) or (yang jui))) or (yang di)))) wong sau ;*.