Perhaps you should try some spelling variations:
ve triet » va trien, su triet
va triet » va thiet, va trien, cua triet
hang vi » hanh vi, hang di, khang voi
te sach » toc sach
cac tuc » cac toc, cac tu, cac tac
hieu ve » hieu va, hieu van
dang xa » dang xay, lang xa, dang ha
tuc va » thuc va, truc va, tuc xa
y dang » ky dang, 2 dang, _ dang
ve cac » va cac, vien cac

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: te sach y dang xa hoi. hieu ve cac tuc va ((hang vi) OR (hang va)) ((va triet) OR (ve triet))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach y dang xa hoi. hieu ve cac tuc va ((hang vi) OR (hang va)) ((va triet) or (ve triet))~".
• Adding a wildcard symbol may retrieve word variants: te sach y dang xa hoi. hieu ve cac tuc va ((hang vi) OR (hang va)) ((va triet) or (ve triet))*.