Perhaps you should try some spelling variations:
zhang ming » zhang xin
ming wong » ming kong, ming hung, ming qing
xi cheng » _ cheng, yi chen, li chen
yi cheng » yi chen, yu cheng, yi chang
wong siu » wong shiu, kong siu, wong sau
nan yan » nan ya, wang yan, qian yan
wang » wing, lang

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

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or wan) nan yan ((yi cheng) OR (xi cheng)) zhang ming wong siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wan) nan yan ((yi cheng) OR (xi cheng)) zhang ming wong siu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or wan) nan yan ((yi cheng) OR (xi cheng)) zhang ming wong siu ;*".