Perhaps you should try some spelling variations:
zhong zhi » zhang zhi, zhong tai
dato tang » dato wan
cong van » congo can, duong van, cong sun
tang min » chang min, sang minh, yang mind
hong ghi » hong hai
van say » can say
hong g » hong ng, hong w, hong 7
chuan » chan

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: cong van say chuan dato tang min ((hong g) OR (((zhong zhi) OR (hong ghi)))) ;~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "cong van say chuan dato tang min ((hong g) or (((zhong zhi) OR (hong ghi)))) ;~".
• Adding a wildcard symbol may retrieve word variants: cong van say chuan dato tang min ((hong g) or (((zhong zhi) OR (hong ghi)))) ;*.