Perhaps you should try some spelling variations:
dong hoang » hong hong
chen huang » chen shuang, chen huigang, chen yugang
seung yeon » jeong yeon, seung joon, seung won
huang min » huang bin, huang lin, huang jing
min seung » min jeong
yi chen » jui chen
yi yi » yin yi, li yi, qi yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong hoang) or (wang yanling)) yi yi chen huang min seung yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong hoang) OR (wang yanling)) yi yi chen huang min seung yeon ;.
• Adding a wildcard symbol may retrieve word variants: ((dong hoang) or (wang yanling)) yi yi chen huang min seung yeon ;*.