Perhaps you should try some spelling variations:
sach thu » sach thue, sach thieu, sach tham
thu xang » thu hang, thu bang, thu dang
hanh vai » hanh va, hanh tai, hanh van
thuc dan » thuc hanh, hoc dan, thuc vat
tu sach » thu sach, su sach, te sach
cua tre » cua te, cuu tre, cua triet
xang xa » lang xa, mang xa, ang xa
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 thu xang xa hoi. lieu va lam ((xuc va) or (thuc dan)) ((hanh vai) or (hanh vi)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach thu xang xa hoi. lieu va lam ((xuc va) OR (thuc dan)) ((hanh vai) OR (hanh vi)) cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach thu xang xa hoi. lieu va lam ((xuc va) or (thuc dan)) ((hanh vai) or (hanh vi)) cua tre*.