Perhaps you should try some spelling variations:
gain yang » dan yang, daun yang, yin yang
fan yuan » fang yuan, yan yuan, fan guon
tan yang » dan yang, tan ying, tan yong
gang hai » dang hai, shang hai, eang hay
yan fan » yang fan, yan clan, yan guan
xi gang » ii gang, i gang, li gang
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 (tan yang)) xi gang hai ;~.
• Adding a wildcard symbol may retrieve word variants: wang yan fan yuan ((gain yang) or (tan yang)) xi gang hai ;*.