Perhaps you should try some spelling variations:
gain yang » dan yang, daun yang, tan yang
yan yuan » yan guan, fang yuan, nan yan
yuan yun » whan yun, yang yun, yap yun
yun gain » run gain, you gain, n gain
kang hay » eang hay, kang han, dang hai
yang xi » yang di, yang yi, yang jui
wang » wing, wan, lang

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang yan yuan yun gain yang xi ((kang hay) or (dang (hai OR hadi))) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang yan yuan yun gain yang xi ((kang hay) OR (dang (hai OR hadi))) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan yuan yun gain yang xi ((kang hay) or (dang (hai OR hadi))) ;*".