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
duan lian » yuan lin
jeong shu » jeong su, cong shu
yan duan » yan guan, yan yuan, yang dean
wang » wan, lang

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

• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR wing) yan duan lian ((chen zheng) OR (cheng zhang)) ming jeong shu ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang OR wing) yan duan lian ((chen zheng) or (cheng zhang)) ming jeong shu ;~".
• Adding a wildcard symbol may retrieve word variants: (wang OR wing) yan duan lian ((chen zheng) or (cheng zhang)) ming jeong shu ;*.