Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
zhang xin » zhang jian, zhang ming, zhang fan
wang nan » wang yan, wang ban, wang dan
li cheng » li chen, xi cheng, lei sheng
wong siu » wong shiu, kong siu, wong siew
wong sau » wong sam, wong shiu, wong lai
nan yan » nan ya, wang yan, qian yan
yan li » yang li, yuan li, gan li

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang nan yan li cheng zhang xin ((wong siu) OR (wong sau)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang nan yan li cheng zhang xin ((wong siu) OR (wong sau)) ;*".