Perhaps you should try some spelling variations:
chen zheng » chen zhen, chen aizheng, cheng zhang
min jeong » kin keong, min hong, mun leong
jeong shu » jeong su, cong shu
wang nan » wang yan, wang ban, wang dan
nan yuan » nan yan, yan yuan, fang yuan
chen hao » cheng han
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: wang nan yuan li ((chen zheng) or (chen hao)) min jeong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang nan yuan li ((chen zheng) OR (chen hao)) min jeong shu ;*.