Perhaps you should try some spelling variations:
vang tao » sang tao, nang tao, hang tai
su sach » so sach, vu sach
hanh va » hang va, hanh vi
hanh ve » hanh vi, hanh kem
xuc van » duc van, luc van, vuc van
su hien » su kien, su tien, thu hien
sach vu » sach va, sach tu, sach uu
tao hoi » tao khoi, tao boi, tay hoi
vu vang » vu van, vu dang, vu bang
va dao » ca dao
va cao » va cac, va co, va bao

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach vu vang tao hoi. hieu ((va cao) or (va dao)) xuc van ((hanh ve) OR (hanh va)) su hien~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach vu vang tao hoi. hieu ((va cao) OR (va dao)) xuc van ((hanh ve) OR (hanh va)) su hien.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach vu vang tao hoi. hieu ((va cao) or (va dao)) xuc van ((hanh ve) OR (hanh va)) su hien".
• Adding a wildcard symbol may retrieve word variants: su sach vu vang tao hoi. hieu ((va cao) or (va dao)) xuc van ((hanh ve) OR (hanh va)) su hien*.