Perhaps you should try some spelling variations:
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
hieu ve » hieu va, hieu van
va hanh » van hanh, va thanh, va danh
cua tre » cua te, cuu tre, cua triet
ve bac » ve bao, ve cac, ve ban
bac so » bac son, bac si, bac bo
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho
so va » so van, so vat, su va

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 ky nang x hoi. hieu ve bac so va hanh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: su sach ky nang x hoi. hieu ve bac so va hanh vi cua tre*.