Perhaps you should try some spelling variations:
so sach » so sanh, bo sach, co sach
sach ky » sac ky, sach y, sach ty
hieu te » hieu ve, hien te, hieu he
va hanh » van hanh, va thanh, ban hanh
ca tren » cau tren, cu tren, la tren
te ban » te bao
x hoi » xa hoi, o hoi, x ho
do va » do van
vi ca » vit ca, li ca, va ca

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 ky nang x hoi. hieu te ban do va hanh vi ca tren~.
• Adding a wildcard symbol may retrieve word variants: so sach ky nang x hoi. hieu te ban do va hanh vi ca tren*.