Perhaps you should try some spelling variations:
xiaojing a » xiaoping _, xiaojing part
sang minh » kang minah, anh minh, song ming
song min » song ming, gong min, jong min
yang jin » yang jie, yang jun, ying jin
data hai » data hub, data how, data hob
chia du » china due
a chia » a china, a chip, _ chia

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: (deng OR eng) xiaojing a chia du ((((sang minh) OR (song min))) OR (yang jin)) data hai ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(deng or eng) xiaojing a chia du ((((sang minh) OR (song min))) or (yang jin)) data hai ;~".
• Adding a wildcard symbol may retrieve word variants: (deng or eng) xiaojing a chia du ((((sang minh) OR (song min))) or (yang jin)) data hai ;*.