Perhaps you should try some spelling variations:
van hanh » van thanh, ban hanh, van anh
te sach » toc sach
vu nang » vuc nang, va nang, vu dang
hieu va » lieu va, hieu qua
xuc van » duc van, luc van, vuc van
hanh di » hanh vi, hanh de, hang di
cuu tre » cua tre, cau tren, cau treo
v nang » va nang, van nang, voi nang
va cam » va cham, va cac, va cao
di cuu » di cau, di cua, dinh cuu

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 ((v nang) or (vu nang)) xa hoi. hieu va cam xuc van hanh di cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ((v nang) OR (vu nang)) xa hoi. hieu va cam xuc van hanh di cuu tre.
• Adding a wildcard symbol may retrieve word variants: te sach ((v nang) or (vu nang)) xa hoi. hieu va cam xuc van hanh di cuu tre*.