Perhaps you should try some spelling variations:
wang liang » wang yang
liu jiyuan » liu jinyuan, liu zhiyuan, liu yuan
liang liu » liang li, liang zhu, qiang li
yin yang » ying yang, yin fang, yin hang
yi yang » yi gang, yu yang, ying yang
xi fang » xia fang, xi kang, jia fang
sheng » cheng, zheng

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 liang liu jiyuan ((yi yang) OR (yin yang)) ((xi fang) OR (cai fang)) sheng ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang liu jiyuan ((yi yang) OR (yin yang)) ((xi fang) or (cai fang)) sheng ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang liu jiyuan ((yi yang) OR (yin yang)) ((xi fang) or (cai fang)) sheng ;*.