Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
thu sach » tu sach, thuat sach, thuoc sach
tang van » dang van, hoang van, trong van
va thanh » gia thanh, ban thanh, va tinh
sach ky » sac ky, sach y, sach ty
vai cua » dai cua, hai cua, lai cua
cham lo » cham o, cham soc, cham hoi
hieu va » lieu va, hieu qua
hieu ve » hieu van
van hoi » van hoa, van hoc, van hoe
ky tang » ky nang, ky dang, kho tang
cua tre » cua te, cuu tre, cua triet
cam lo » nam lo, cam ly, cam o

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky tang van hoi. ((hieu ve) or (hieu va)) ((cham lo) or (cam lo)) va thanh vai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky tang van hoi. ((hieu ve) OR (hieu va)) ((cham lo) OR (cam lo)) va thanh vai cua tre.
• Adding a wildcard symbol may retrieve word variants: thu sach ky tang van hoi. ((hieu ve) or (hieu va)) ((cham lo) or (cam lo)) va thanh vai cua tre*.