Perhaps you should try some spelling variations:
zhang xiaoyong » zhang xiaoling, wang xiaodong, zhang xiaobo
huang xiaoting » wang xiaoping
zhang juan » zhang jian, zhang jun, zhang lijuan
juan rene » juan meng, juan rana
jin zhong » jin zhenong, jin zhesong, tin hong
ji zhong » 2 zhong, wu zhong, yu zhong

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: ((zhang xiaoyong) OR (huang xiaoting)) zhang juan rene ying ((jin zhong) OR (ji zhong)) zhi ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((zhang xiaoyong) or (huang xiaoting)) zhang juan rene ying ((jin zhong) OR (ji zhong)) zhi ;~".
• Adding a wildcard symbol may retrieve word variants: ((zhang xiaoyong) or (huang xiaoting)) zhang juan rene ying ((jin zhong) OR (ji zhong)) zhi ;*.