Perhaps you should try some spelling variations:
wang xiaojing » wang xiaoping, wang xiaobing, wang xiaodong
xiaojing part » xiaojing a
china data » china update, chinese data
china dan » china den, china des, china due
sang minh » kang minah, anh minh, song min
minh data » mind data, fish data, mesh data
data hari » data sharing

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 xiaojing part ((china dan) OR (china data)) sang minh data hari ;~.
• Adding a wildcard symbol may retrieve word variants: wang xiaojing part ((china dan) or (china data)) sang minh data hari ;*.