Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh doi » thanh loi, thanh moi, thanh do
xach tay » canh tay
cam thuc » am thuc, nam thuc, cam thu
thuc ban » thuoc ban, thuc dan, thu ban
sach tu » sach thu, cach tu, sach ty
nang xa » nang x, lang xa, nang ma
hieu va » lieu va, hieu qua
doi cua » dai cua, hoi cua, dong cua
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: te ((xach tay) or (sach tu)) nang xa hoi. hieu va cam thuc ban thanh doi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((xach tay) OR (sach tu)) nang xa hoi. hieu va cam thuc ban thanh doi cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((xach tay) or (sach tu)) nang xa hoi. hieu va cam thuc ban thanh doi cua tre*.