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

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 hoi. hieu va cam dua ban thanh vai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sach ty) OR (sach tu)) xang xa hoi. hieu va cam dua ban thanh vai cua te".
• Adding a wildcard symbol may retrieve word variants: su ((sach ty) OR (sach tu)) xang xa hoi. hieu va cam dua ban thanh vai cua te*.