Perhaps you should try some spelling variations:
wang kyoung » wang hyoung, hwang byoung, kang young
wang yong » wang yang, wang hyoung, wang yan
yang juan » yang jun, huang juan, jiang juan
juan meng » juan rene, jui meng, yuan ming
yang jie » yang jin, yang di, yang jui
yan jiu » yang jin, pang jiu
long du » long d, long do, long run

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) OR (wang yong)) yang juan meng ((yan jiu) OR (yang jie)) long du ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang kyoung) or (wang yong)) yang juan meng ((yan jiu) OR (yang jie)) long du ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang kyoung) or (wang yong)) yang juan meng ((yan jiu) OR (yang jie)) long du ;*.