Perhaps you should try some spelling variations:
yang liang » wang liang, yan liang, peng liang
yang yang » wang yang, wang yan
jia cheng » jia shen, jia zhang
zhang qin » zhang xin, zhang jin, zhang lin
xi cheng » _ cheng, yi chen, li chen
qin wang » qian wang, liqin wang, ping wang
wang sun » wang jun, wing sun, gang sung

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 cheng) or (xi cheng)) zhang qin wang sun ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (wang OR lang) ((yang liang) OR (yang yang)) ((jia cheng) OR (xi cheng)) zhang qin wang sun ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(wang or lang) ((yang liang) OR (yang yang)) ((jia cheng) or (xi cheng)) zhang qin wang sun ;*".