Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, china zhang
chen zheng » chen zhen, chen aizheng, chen zhe
ming jeong » min jeong, ming kong
jeong shu » jeong su, cong shu
yuan zin » yuan lin, yuan ming, yuan ting
yuan zi » yan zi, yuan li, 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 zin) or (yuan zi)) ((cheng zhang) OR (chen zheng)) ming jeong shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan ((yuan zin) OR (yuan zi)) ((cheng zhang) OR (chen zheng)) ming jeong shu ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((yuan zin) or (yuan zi)) ((cheng zhang) OR (chen zheng)) ming jeong shu ;*".