Perhaps you should try some spelling variations:
seung yeon » jeong yeon, seung joon, seung youn
yong chang » ying chang, yong phang, young change
wang yong » wang yang, wang hyoung, wang yan
seung won » seung joon, seung youn, myung won
chang i » chang _, chang c, zhang i
i test » ai test, i testi, ii test
a mile » a smile, a mine, a middle
a min » a main, a mini, a mine

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

• If you are trying to use Boolean operators, they must be ALL CAPS: wang yong chang i test ((a min) OR (a mile)) ((seung yeon) OR (seung won)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang yong chang i test ((a min) or (a mile)) ((seung yeon) or (seung won)) ;*.