Perhaps you should try some spelling variations:
gain yang » dan yang, daun yang, yin yang
zhang hay » zhang han, zhang fan, zhang yan
yan yuan » yan guan, fang yuan, nan yan
tan yang » dan yang, tan ying, tan yong
li zhang » _ zhang
yan yun » yang yun, yan kun, yap yun
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 hyoung ((yan yun) OR (yan yuan)) ((gain yang) OR (tan yang)) li zhang hay ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang hyoung ((yan yun) or (yan yuan)) ((gain yang) OR (tan yang)) li zhang hay ;~".
• Adding a wildcard symbol may retrieve word variants: wang hyoung ((yan yun) or (yan yuan)) ((gain yang) OR (tan yang)) li zhang hay ;*.