Perhaps you should try some spelling variations:
minh zhong » minh cong, min hong
test sang » test salt, test sat
sang minh » kang minah, anh minh, song min
zhong zhi » zhang zhi, hong ghi, zhong tai
dong nan » dong yang, dong sin, dong cao
dong bin » dong sin, dong di, dann bin
hua test » a test

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((dong nan) or (dong bin)) ya hua test sang minh zhong zhi ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((dong nan) OR (dong bin)) ya hua test sang minh zhong zhi ;*.