Perhaps you should try some spelling variations:
wang kyoung » wang hyoung, hwang byoung, wang yong
yang juan » yang jun, huang juan, jiang juan
tong hui » wang hui
juan de » jan de, jean de
yan jiu » yang jie, yang jin, pang jiu
gong si » dong sin
de yan » ke yan
long d » long do, long du, long _

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 kyoung yang juan de yan jiu ((long d) OR (((gong si) OR (tong hui)))) ;~.
• Adding a wildcard symbol may retrieve word variants: wang kyoung yang juan de yan jiu ((long d) or (((gong si) or (tong hui)))) ;*.