Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
thanh doi » thanh loi, thanh moi, thanh do
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
hieu ve » hieu van
doi cua » dai cua, hoi cua
hieu va » lieu va, hieu qua
tuc ban » thuc ban, truc ban, tuc dan
tu ban » thu ban, te ban
te sai » te tai, te bai, te lai
sai ky » sac ky

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

• Performing a fuzzy search may retrieve terms with similar spellings: te sai ky lang xa hoi. ((hieu ve) OR (hieu va)) cam ((tuc ban) or (tu ban)) thanh doi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sai ky lang xa hoi. ((hieu ve) OR (hieu va)) cam ((tuc ban) OR (tu ban)) thanh doi cua triet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sai ky lang xa hoi. ((hieu ve) OR (hieu va)) cam ((tuc ban) or (tu ban)) thanh doi cua triet".
• Adding a wildcard symbol may retrieve word variants: te sai ky lang xa hoi. ((hieu ve) OR (hieu va)) cam ((tuc ban) or (tu ban)) thanh doi cua triet*.