Perhaps you should try some spelling variations:
wang ying » wang yang, wang yong, wang jing
ying yan » ying yang, yang yang, ying bank
yan guan » gan guan, yan yuan, yang guang
guan tan » huan t'an, tan tan
tan yang » dan yang, tan ying, tan yong
yin fang » yin hang, chin fang, jing fang
yin yang » ying yang, yi yang, yin hang
yi dang » yi gang, yi yang, yi chang

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 yan guan tan yang ((yi dang) OR (((yin fang) OR (yin yang)))) (hai OR hadi) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang ying yan guan tan yang ((yi dang) or (((yin fang) OR (yin yang)))) (hai or hadi) ;~".
• Adding a wildcard symbol may retrieve word variants: wang ying yan guan tan yang ((yi dang) or (((yin fang) OR (yin yang)))) (hai or hadi) ;*.