Perhaps you should try some spelling variations:
says chuan » say chuan, say chan
chuan daun » chuan dato
daun tang » daun yang, paul tang
zhong zhi » zhang zhi, zhong tai
nao says » who says
tang min » chang min, sang minh, yang mind
hong ghi » hong g, hong hai
dan nao » dan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: dan nao says chuan daun tang min ((hong ghi) or (zhong zhi)) ;~.
• If you are trying to use Boolean operators, they must be ALL CAPS: dan nao says chuan daun tang min ((hong ghi) OR (zhong zhi)) ;*.