Perhaps you should try some spelling variations:
wang ying » wang yang, wang yong, wang jing
ying yang » yang yang, yin yang, ying chang
young cai » yong cai, young choi, young man
yun kang » yuan kang, jin kang, wu kang
yun jang » suk jang, yun song
fang hay » eang hay, fang a, kang han
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: wang ying yang ((yun kang) OR (yun jang)) young cai ((fang hay) OR (dang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ying yang ((yun kang) OR (yun jang)) young cai ((fang hay) or (dang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ying yang ((yun kang) OR (yun jang)) young cai ((fang hay) or (dang hai)) ;*.