Perhaps you should try some spelling variations:
chen yugang » chen huigang, chen yang, chen yulan
yang jui » yang judy, yang di, yang xi
min cong » minh cong, min jeong, yan cong
min hong » amin hong, min hyoung, min jeong
tin hong » tan hong, kia hong, thi hong
yang yi » yang di, yang xi
yi chen » jui chen

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

• Performing a fuzzy search may retrieve terms with similar spellings: yang ((yang yi) or (yang jui)) yi chen yugang ((min cong) or (((min hong) or (tin hong)))) shu ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: yang ((yang yi) OR (yang jui)) yi chen yugang ((min cong) OR (((min hong) OR (tin hong)))) shu ;.
• Adding a wildcard symbol may retrieve word variants: yang ((yang yi) or (yang jui)) yi chen yugang ((min cong) or (((min hong) or (tin hong)))) shu ;*.