Perhaps you should try some spelling variations:
kang young » wang hyoung
yang juan » yang jun, huang juan, jiang juan
yan guan » gan guan, yan yuan, yang guang
juan ke » juan de, juan e, juan die
long du » long do, long run, long did
long d » long do, long _, long 2
wang » wing, wan, lang

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 yan) OR (kang young)) yang juan ke yan guan ((long du) OR (long d)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang yan) or (kang young)) yang juan ke yan guan ((long du) OR (long d)) ;~".
• Adding a wildcard symbol may retrieve word variants: ((wang yan) or (kang young)) yang juan ke yan guan ((long du) OR (long d)) ;*.