Perhaps you should try some spelling variations:
chuan daun » chuan dato
sang minh » kang minah, anh minh, song min
zhong tai » hong tan, hong hai, zhong zhi
dong can » dong cao, dong nan, congo can
tang min » chang min, yang mind, tang li
can say » can save
hong ng » hong kong, hong jong, hong hong

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