Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
hoc sach » hoc sinh, hoc cac
te sach » toc sach
xuc van » duc van, luc van, vuc van
hoc anh » hoc nganh, hoc nhanh, ngoc anh
hanh di » hanh vi, hanh de, hang di
ty nang » ky nang, ty xang, ty hang
nang ma » tang ma, sang ma, nang cao
hieu va » lieu va, hieu qua
cac xuc » cam xuc, cac nuoc, chat xuc
di cua » dai cua, doi cua, de cua
ma hoi » mai hoi, xa hoi, ma hoa
cua su » qua su

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((te sach) or (((hoc sach) or (hoc anh)))) ty nang ma hoi. hieu va cac xuc van hanh di cua su~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (((hoc sach) OR (hoc anh)))) ty nang ma hoi. hieu va cac xuc van hanh di cua su.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (((hoc sach) or (hoc anh)))) ty nang ma hoi. hieu va cac xuc van hanh di cua su*.