Perhaps you should try some spelling variations:
sach cay » sach cap, sach hay, sach nay
thanh vi » hanh vi, thanh va, thanh ve
tu sach » thu sach, su sach, te sach
cac hoi » cac thoi, cac khoi, cau hoi
hieu va » lieu va, hieu qua
vuc van » duc van, luc van, thuc van
xuc ban » duc ban, cuc ban, quoc ban
cuu tre » cua tre, cau tren, cau treo
va cam » va cham, va cac, va cao
vi cuu » vi luu, vinh cuu

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 cay trong cac hoi. hieu va cam ((vuc van) or (xuc ban)) thanh vi cuu tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach cay trong cac hoi. hieu va cam ((vuc van) OR (xuc ban)) thanh vi cuu tre.
• Adding a wildcard symbol may retrieve word variants: tu sach cay trong cac hoi. hieu va cam ((vuc van) or (xuc ban)) thanh vi cuu tre*.