Perhaps you should try some spelling variations:
chen zhang » cheng zhang, zhen zhang, chen zheng
zhang ming » zhang xin
ming jeong » min jeong, ming kong
jeong shu » jeong su, cong shu
yan yuan » yan guan, fang yuan, nan yan
yan yan » nan yan, yang yang, wang yan
yi chen » jui chen
wang » wing, wan, lang

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ((yan yan) OR (yan yuan)) yi chen zhang ming jeong shu ;~".
• Adding a wildcard symbol may retrieve word variants: wang ((yan yan) OR (yan yuan)) yi chen zhang ming jeong shu ;*.