Perhaps you should try some spelling variations:
thanh vai » thanh hai, thanh van, thanh tai
ban thanh » ban hanh, ban hang
sach ty » sach y, sach thu, xach tay
vai cua » dai cua, hai cua, lai cua
dua ban » dia ban, cua ban, qua ban
hieu va » lieu va, hieu qua
mang xa » lang xa, mang may, dang xay
xang xa » lang xa, ang xa, dang xay
sach tu » sach thu, cach tu, sach uu
ca dua » cay dua, ca cua, ca da
cua te » cua tu
va ca » va cac, va cao, va cai

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

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sach ty) or (sach tu)) ((xang xa) or (mang xa)) hoi. hieu va ca dua ban thanh vai cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sach ty) OR (sach tu)) ((xang xa) OR (mang xa)) hoi. hieu va ca dua ban thanh vai cua te.
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) or (sach tu)) ((xang xa) or (mang xa)) hoi. hieu va ca dua ban thanh vai cua te*.