Perhaps you should try some spelling variations:
wang xiaotong » wang xiaodong, wang xianodong, wang xiaoping
zhang china » hang china, change china, zhejiang china
china wei » china west, china wuxi, china who
jie zhang » jia zhang, li zhang, bin zhang
wei wang » wei yang, wen wang, wei shang
jie dang » vie dans, bie dans, jie song

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 zhang china wei wang ((jie dang) OR (jie zhang)) hari ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "wang xiaotong zhang china wei wang ((jie dang) OR (jie zhang)) hari ;*".