Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
chen huang » chen shuang, chen huigang, chen yugang
dong yang » dong hoang, yang yang, dan yang
wang yang » wang liang, wang yanling
huang min » huang bin, huang lin, huang jing
min seung » min jeong
hua chen » jui chen, yu chen, a chen
yi hua » li hua, ya hua, yi 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: ((dong yang) OR (((wang yang) OR (wang yan)))) yi hua chen huang min seung yeon ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((dong yang) or (((wang yang) OR (wang yan)))) yi hua chen huang min seung yeon ;~".
• Adding a wildcard symbol may retrieve word variants: ((dong yang) or (((wang yang) OR (wang yan)))) yi hua chen huang min seung yeon ;*.