Perhaps you should try some spelling variations:
yuhan zhang » yan zhang, yuan chang, yuehong zhang
wang liqin » wang limin, wang lianqin, wang liming
liqin wang » limin wang, yiqian wang
wang yuhan » wang luhang, wang yan, wang yidan
zhang jian » zhang fan, shang jin
jian juan » jiang juan, san juan, qian jun
chang ha » chang mae
hong ma » hong a, hong hai, wong max
tan » than

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 liqin wang yuhan zhang jian juan ((chang ha) OR (((hong ma) OR (hong tan)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang liqin wang yuhan zhang jian juan ((chang ha) or (((hong ma) OR (hong tan)))) ;~".
• Adding a wildcard symbol may retrieve word variants: wang liqin wang yuhan zhang jian juan ((chang ha) or (((hong ma) OR (hong tan)))) ;*.