Perhaps you should try some spelling variations:
cheng zhang » cheng han, zhen zhang, chen zheng
wang liqin » wang limin, wang lianqin, wang liming
liqin wang » limin wang, yiqian wang
zhang ming » zhang xin
yan cheng » yuan cheng, tan cheng, yan cong
zhong tai » hong tan, hong hai, zhong zhi
shang hai » shang kai, dang hai, chang ha

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

• Performing a fuzzy search may retrieve terms with similar spellings: wang liqin wang yan cheng zhang ming ((zhong tai) or (shang hai)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang liqin wang yan cheng zhang ming ((zhong tai) OR (shang hai)) ;.
• Adding a wildcard symbol may retrieve word variants: wang liqin wang yan cheng zhang ming ((zhong tai) or (shang hai)) ;*.