Perhaps you should try some spelling variations:
chuan daun » chuan dato
sang minh » kang minah, anh minh, song min
zhong zhi » zhang zhi, hong ghi, zhong tai
dong can » dong cao, dong nan, congo can
tang min » chang min, yang mind, tang li
can say » can save
hong 7 » hong w, hong a, hong g

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: dong can say chuan daun ((tang min) OR (sang minh)) ((hong 7) OR (zhong zhi)) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "dong can say chuan daun ((tang min) OR (sang minh)) ((hong 7) or (zhong zhi)) ;~".
• Adding a wildcard symbol may retrieve word variants: dong can say chuan daun ((tang min) OR (sang minh)) ((hong 7) or (zhong zhi)) ;*.