Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung won
wang yang » wang yan, wang liang, wang yanling
chen yang » chen rong
yang hong » wang hong, yang hongli, quang hong
hong ng » hong kong, hong jong, hong hong
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: ((hong ng) or (wang yang)) yi yi chen yang hong seung yeon ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((hong ng) OR (wang yang)) yi yi chen yang hong seung yeon ;.
• Adding a wildcard symbol may retrieve word variants: ((hong ng) or (wang yang)) yi yi chen yang hong seung yeon ;*.