Perhaps you should try some spelling variations:
kyoung yun » young yun, kyoung yang, hyoung gun
fang zhen » fang sheng, tang zheng, wang zheng
zhen pong » zhen yong, zheng rong, zheng cong
yi kyoung » kim kyoung
yu chen » yu cheng, yulu chen, jui chen
yi chen » jui chen
ping yi » ming yi, ping yu, jiang yi

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

• Performing a fuzzy search may retrieve terms with similar spellings: fang zhen pong ((yu chen) or (yi chen)) ping yi kyoung yun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: fang zhen pong ((yu chen) OR (yi chen)) ping yi kyoung yun ;*.