Perhaps you should try some spelling variations:
gain yang » dan yang, tan yang, yin yang
daun yang » dan yang, du yang, tan yang
fan yuan » fang yuan, yan yuan, fan guon
kang hay » eang hay, dang hai, kang tae
kang han » kang chen, kong hang, zhang han
yan fan » yang fan, yan clan, yan guan
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 fan yuan ((gain yang) OR (daun yang)) july ((kang hay) OR (kang han)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan fan yuan ((gain yang) OR (daun yang)) july ((kang hay) or (kang han)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan fan yuan ((gain yang) OR (daun yang)) july ((kang hay) or (kang han)) ;*.