Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
cao duc » dao duc, cao suc, giao duc
va dinh » van dinh, va kinh, va tinh
dinh vi » dinh ve, dinh viet, dinh thi
cua tre » cua te, cuu tre, cua triet
y nang » ky nang, ly nang, v nang
va cao » va cac, va co, va dao
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sach y nang x hoi. lieu va cao duc va dinh vi cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu sach y nang x hoi. lieu va cao duc va dinh vi cua tre*.