Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
zhang jeng » zhang jing, hang seng, zhang ming
jeng dong » eng hong, zeng doug
yuan hui » yuan fei, jaan hui, tuan hua
wan yan » wang yan, nan yan, wai yan
yuan zi » yan zi, yuan li, yuan fei
sind » find, wind, kind

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

• Performing a fuzzy search may retrieve terms with similar spellings: wan yan ((yuan hui) or (yuan zi)) cheng zhang jeng dong (sin OR sind) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wan yan ((yuan hui) OR (yuan zi)) cheng zhang jeng dong (sin OR sind) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wan yan ((yuan hui) or (yuan zi)) cheng zhang jeng dong (sin OR sind) ;*".