Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
hieu van » hieu va, thien van, lieu va
sach ty » sach tu, sach thu, xach tay
tang ma » mang may, tang van
van bay » van ban, van bao, van bac
bay dia » ban dia, tay dia
vai cuu » vai cua
cuu tre » cua tre, cau tren, cau treo
ma hoi » mai hoi, xa hoi, ma hoa

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 y) OR (sach ty)) tang ma hoi. hieu van bay dia ban thanh vai cuu tre~.
• Adding a wildcard symbol may retrieve word variants: tu ((sach y) or (sach ty)) tang ma hoi. hieu van bay dia ban thanh vai cuu tre*.