Perhaps you should try some spelling variations:
chen shuang » chen chuan, chen chung, chen huigang
chen zhang » cheng zhang, zhen zhang, chen zheng
ming jeong » min jeong, ming kong
jeong shu » jeong su, cong shu
wing yan » wang yan, wing ian, wang yang
wing tan » wing ian, liang tan, hong tan
yan jui » yang jui, yang jun, yang hui

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