Perhaps you should try some spelling variations:
dinh dao » dinh dat, minh dao, dinh cao
te sach » toc sach
hieu va » lieu va, hieu qua
thuc va » thuc vat, thuc dan, thuc day
va dinh » van dinh, va kinh, va tinh
dao cua » dai cua, day cua, dan cua
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
x hoi » xa hoi, o hoi, x ho
va am » va lam, va cam

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) or (ve cac)) ky nang x hoi. hieu va am thuc va dinh dao cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (ve cac)) ky nang x hoi. hieu va am thuc va dinh dao cua tre.
• Adding a wildcard symbol may retrieve word variants: ((te sach) or (ve cac)) ky nang x hoi. hieu va am thuc va dinh dao cua tre*.