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
tan cheng » tang zheng, yuan cheng, tan hong
shang hai » shang kai, dang hai, chang ha
wang tan » wang yan, wang ban, wang dan
hong hai » zhong tai, dang hai, hong tan

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 tan cheng zhang ming ((hong hai) OR (shang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liqin wang tan cheng zhang ming ((hong hai) OR (shang hai)) ;".
• Adding a wildcard symbol may retrieve word variants: wang liqin wang tan cheng zhang ming ((hong hai) OR (shang hai)) ;*.