Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaobing
wang xiaoping » wang xiaodong, deng xiaoping, wang xiaolin
zhang juan » zhang jian, zhang jun, zhang lijuan
long thanh » luong thanh, long han, long trinh
song than » song shin, songs nathan
jing li » jing ji, ling li, jing jia

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((wang xiaotong) or (wang xiaoping)) zhang juan j jing li ((song than) OR (long thanh)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((wang xiaotong) OR (wang xiaoping)) zhang juan j jing li ((song than) OR (long thanh)) ;*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((wang xiaotong) or (wang xiaoping)) zhang juan j jing li ((song than) OR (long thanh)) ;*".