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