Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
hoc sach » hoc sinh, hoc cac, hoc anh
bai thuc » bai thuoc, bao thuc, dai thuc
thuc ban » thuoc ban, thuc dan, thu ban
thanh ve » hanh ve, thanh va, thanh vien
dua tren » dung tren
lang xa » lang ha, dang xay, lang van
hieu va » lieu va, hieu qua
y lang » o lang, _ lang, tay lang
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: hoc sach y lang xa hoi. hieu va bai thuc ban thanh ve ((dua tren) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc sach y lang xa hoi. hieu va bai thuc ban thanh ve ((dua tren) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: hoc sach y lang xa hoi. hieu va bai thuc ban thanh ve ((dua tren) or (cua te))*.