Perhaps you should try some spelling variations:
hieu van » hieu va, thien van, lieu va
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
van cac » van hac, van cau, van bac
cac toc » cac toi, cac nuoc, cac thoi
xa hanh » xa thanh, xa khanh, va hanh
cua tre » cuu tre, cua triet, dua tren
toc xa » tuc xa, toc ta, hoc xa
cua te » cua tu
x hoi » xa hoi, o hoi, x ho

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky nang x hoi. hieu van cac toc xa hanh vi ((cua tre) OR (cua te))~".
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang x hoi. hieu van cac toc xa hanh vi ((cua tre) OR (cua te))*.