Perhaps you should try some spelling variations:
kyoung yun » young yun, kyoung yang, hyoung gun
joon chang » hoong chang, boon chong, jin chang
chang chen » chang ch'un, chang chuan, change when
ying joon » kyung joon, king john, ying jin
tan ying » fan ying, ran ying, tan yang
yun tan » yun jang
tan tan » tas tan, tin tan, tang tang

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

• Performing a fuzzy search may retrieve terms with similar spellings: (lang or wing) kyoung yun tan tan ying joon chang chen ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (lang OR wing) kyoung yun tan tan ying joon chang chen ;*.