Perhaps you should try some spelling variations:
ve triet » va trien
tang van » dang van, hoang van, trong van
su triet » su viet, su tien
hanh va » hanh vi
so sach » so sanh, bo sach, co sach
cam tuc » cam xuc, cam tu, nam thuc
hieu ve » hieu va, hieu van
van hoi » van hoa, van hoc, van hoe
sach 7 » sach y, sach 2
ve cam » ve cham, ve cac, va cam
7 tang » 6 tang
tuc va » thuc va, truc va, tuc xa

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach 7 tang van hoi. hieu ve cam tuc va ((hanh va) or (hang va)) ((su triet) or (ve triet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach 7 tang van hoi. hieu ve cam tuc va ((hanh va) OR (hang va)) ((su triet) OR (ve triet)).
• Adding a wildcard symbol may retrieve word variants: so sach 7 tang van hoi. hieu ve cam tuc va ((hanh va) or (hang va)) ((su triet) or (ve triet))*.