Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vai » thanh hai, thanh van, thanh tai
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
cao hoa » cao hoat, cao khoa, cau hoa
thi van » thi lan, thi hanh, thi nang
cam dia » cac dia, cam gia, pham dia
vai cua » dai cua, hai cua, lai cua
cua tre » cua te, cuu tre, cua triet

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

• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang cao hoa. ((thien van) OR (thi van)) cam dia ban thanh vai cua tre~.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang cao hoa. ((thien van) or (thi van)) cam dia ban thanh vai cua tre*.