Perhaps you should try some spelling variations:
xiaoping zhang » xiaotong zhang
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
jin zhong » ji zhong, jin zhenong, jin zhesong
zhong tai » hong tan, hong hai, zhong zhi
juan jin » juan j, huan jie, jian ji
ying jin » yang jin, jing ji, yang jie
ruan ji » huan jie

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: wang xiaoping zhang ((juan jin) or (ruan ji)) ying jin zhong tai ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: wang xiaoping zhang ((juan jin) OR (ruan ji)) ying jin zhong tai ;*.