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
yi yang » yin yang, yu yang, ying yang
yi gang » ii gang, i gang, li gang
xi fang » xia fang, cai fang, jia fang
xi kang » jin kang, xi zhang

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