Perhaps you should try some spelling variations:
yidan zhang » yan zhang, xiulan zhang
wang liqin » wang limin, wang lianqin, wang liming
liqin wang » limin wang, yiqian wang
wang yidan » wang yan
zhang jian » zhang fan, shang jin
jian juan » jiang juan, san juan, qian jun
chang ha » chang mae
hong hai » shang hai, zhong tai, dang hai

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 yidan zhang jian juan ((chang ha) OR (hong hai)) ;~.
• Adding a wildcard symbol may retrieve word variants: wang liqin wang yidan zhang jian juan ((chang ha) or (hong hai)) ;*.