Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
chen chang » chen chung, chin chang, shen chang
wang yang » wang yan, wang liang
chang min » zhang ming, chang mae, chan ming
min seung » min jeong
jui chen » yi chen
yi jui » yi hui

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

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