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

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