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
dong bin » dong sin, dong di, dann bin
nan yan » nan ya, wang yan, qian yan
yuan li » yuan lin, guan li, yuan zi

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 ((yuan hui) or (yuan li)) cheng zhang jeng dong bin ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nan yan ((yuan hui) OR (yuan li)) cheng zhang jeng dong bin ;*.