Perhaps you should try some spelling variations:
yang guang » yang yang, yang liang
gain yang » dan yang, daun yang, tan yang
yan guan » gan guan, yan yuan, yihan guan
hua gain » heat gain, run gain, hua ban
yan tan » tan tan, yan clan, yan wang
yang xi » yang di, yang yi, yang jui
xi dang » xi kang, xi zhang
hai » hadi, haji, hari

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: wing ((yan tan) OR (((yan guan) OR (yang guang)))) hua gain yang xi dang hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wing ((yan tan) or (((yan guan) OR (yang guang)))) hua gain yang xi dang hai ;~".
• Adding a wildcard symbol may retrieve word variants: wing ((yan tan) or (((yan guan) OR (yang guang)))) hua gain yang xi dang hai ;*.