Perhaps you should try some spelling variations:
sach hay » sach han, sach ha, sach nay
hay lang » ha lang, tay lang, nhan lang
hanh vai » hanh vi, hanh tai, hanh van
so sach » so sanh, bo sach, co sach
hanh va » hang va, hanh vi
cua tre » cua te, cuu tre, cua triet
xuc ban » duc ban, cuc ban, quoc ban
xuc van » duc van, luc van, vuc van
va cham » va chat, va tham
lang xa » lang ha, dang xay, lang van

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

• Performing a fuzzy search may retrieve terms with similar spellings: so sach hay lang xa hoi. lieu va cham ((xuc van) or (xuc ban)) ((hanh vai) or (hanh va)) cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: so sach hay lang xa hoi. lieu va cham ((xuc van) OR (xuc ban)) ((hanh vai) OR (hanh va)) cua tre.
• Adding a wildcard symbol may retrieve word variants: so sach hay lang xa hoi. lieu va cham ((xuc van) or (xuc ban)) ((hanh vai) or (hanh va)) cua tre*.