Perhaps you should try some spelling variations:
gain yang » dan yang, tan yang, yin yang
daun yang » dan yang, du yang, tan yang
ii chang » vii chang, yi chang, ii changes
yan yun » yan yuan, yang yun, yap yun
yan kun » yan guan, yan yuan
yi 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 ((yan yun) OR (yan kun)) ((gain yang) OR (daun yang)) ((ii chang) OR (yi gang)) hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan ((yan yun) or (yan kun)) ((gain yang) OR (daun yang)) ((ii chang) or (yi gang)) hai ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan ((yan yun) or (yan kun)) ((gain yang) OR (daun yang)) ((ii chang) or (yi gang)) hai ;*.