Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
chen zhang » zhen zhang, chen zheng, chen shuang
ming wong » ming kong, ming hung
ming qing » ming hung, ming kong
yan yuan » yan guan, fang yuan, nan yan
yuan yi » yuan li, yuan zi, yuan fei
wang » wing, wan, 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 yan yuan yi ((chen zhang) or (cheng zhang)) ((ming wong) OR (ming qing)) siu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yuan yi ((chen zhang) OR (cheng zhang)) ((ming wong) OR (ming qing)) siu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan yuan yi ((chen zhang) or (cheng zhang)) ((ming wong) OR (ming qing)) siu ;*".