Perhaps you should try some spelling variations:
chen yuhuan » chen chuan, chen huijuan
huang cheng » huang chang, hong cheng, huang weng
wang liang » wang yang
chen yulan » chen yugang, chen yulu, chen yun
yan liang » yang liang, you liang, yan wang
sun qiang » sun xifang, jun qian, sun ang
cheng yi » cheng y, chong yi, cheng hei

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 ((yan liang) OR (sun qiang)) ((chen yuhuan) OR (chen yulan)) huang cheng yi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liang ((yan liang) or (sun qiang)) ((chen yuhuan) OR (chen yulan)) huang cheng yi ;~".
• Adding a wildcard symbol may retrieve word variants: wang liang ((yan liang) or (sun qiang)) ((chen yuhuan) OR (chen yulan)) huang cheng yi ;*.