Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
chen zheng » chen zhen, chen aizheng, cheng zhang
zheng qian » zheng quan, zhang qin, zheng alan
yang yang » wang yang, wang yan
liang sun » liang dan, liang tan, wing sun
jia chen » jia shen, jie chen, jean chen
cong sun » cong shu, cong van, wing sun
wang » wing, wan

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (wang or lang) ((yang liang) OR (yang yang)) jia chen zheng qian ((cong sun) or (liang sun)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) ((yang liang) OR (yang yang)) jia chen zheng qian ((cong sun) OR (liang sun)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) ((yang liang) OR (yang yang)) jia chen zheng qian ((cong sun) or (liang sun)) ;*".