Perhaps you should try some spelling variations:
zhang juan » zhang jian, zhang jun, zhang lijuan
yan zhang » yuan chang, bin zhang, han chang
juan rene » juan meng, juan rana
shang hai » shang kai, chang ha, hong hai
yang tan » yang fan, yang yang, liang tan
wang » wing, wan, lang
dean » dewan, jean, den

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 yan zhang juan rene ((yang tan) OR (yang dean)) ((shang hai) OR (dang hai)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang yan zhang juan rene ((yang tan) OR (yang dean)) ((shang hai) or (dang hai)) ;~".
• Adding a wildcard symbol may retrieve word variants: wang yan zhang juan rene ((yang tan) OR (yang dean)) ((shang hai) or (dang hai)) ;*.