Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh ve » hanh ve, thanh va, thanh vien
hieu va » lieu va, hieu qua
mang xa » lang xa, mang may, dang xay
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
sach ty » sach tu, sach thu, xach tay
ve cua » le cua, de cua, te cua
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: tu ((sach ty) OR (sach y)) ((mang xa) or (nang x)) hoi. hieu va cac xuc ban thanh ve cua te~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) ((mang xa) OR (nang x)) hoi. hieu va cac xuc ban thanh ve cua te.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) OR (sach y)) ((mang xa) or (nang x)) hoi. hieu va cac xuc ban thanh ve cua te".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) OR (sach y)) ((mang xa) or (nang x)) hoi. hieu va cac xuc ban thanh ve cua te*.