Perhaps you should try some spelling variations:
dang tay » dang xay, dung tay, dan tay
sach kem » hanh kem
qua cham » qua hai, qua cac, va cham
cham cua » chat cua, cham cuu, ham cua
tay hoi » tay ho, tao hoi, tay thai
ban don » ban dan, ban do, ban den
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
vi cua » vai cua, di cua

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 kem) or (sac ky)) dang tay hoi. hieu qua cham cua ban don vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (sac ky)) dang tay hoi. hieu qua cham cua ban don vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (sac ky)) dang tay hoi. hieu qua cham cua ban don vi cua tre*.