Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
vai cua » dai cua, hai cua, lai cua
sach ty » sach y, sach thu, xach tay
cua tre » cua te, cuu tre, cua triet
nang xa » nang x, lang xa, nang ma
sach tu » sach thu, cach tu, sach uu
xuc va » duc va, tuc va, luc va
va lam » van lam, va lap

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 ty) or (sach tu)) nang xa hoi. lieu va lam ((xuc va) or (thuc vat)) hanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach tu)) nang xa hoi. lieu va lam ((xuc va) OR (thuc vat)) hanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach tu)) nang xa hoi. lieu va lam ((xuc va) or (thuc vat)) hanh vai cua tre*.