Perhaps you should try some spelling variations:
kang young » wang hyoung
yang juan » yang jun, huang juan, jiang juan
yan guan » yan yuan, yang guang, yihan guan
gan guan » quan guan, fan guon, gui guan
long shu » cong shu, tong shui, long du
nan yan » nan ya, wang yan, qian yan
juan ke » juan de, juan e, juan die

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