Perhaps you should try some spelling variations:
ban hang » ngan hang
hieu va » lieu va, hieu qua
hang vi » hang va, hanh vi, hang di
xuc ban » duc ban, cuc ban, quoc ban
lam xuc » cam xuc, lam duoc
cua tre » cua te, cuu tre, cua triet
sach ty » sach y, sach tu, sach thu
sai ky » sac ky
va lam » van lam, va lap
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: te ((sai ky) or (sach ty)) nang ((ha noi) or (xa hoi)). hieu va lam xuc ban hang vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: te ((sai ky) OR (sach ty)) nang ((ha noi) OR (xa hoi)). hieu va lam xuc ban hang vi cua tre.
• Adding a wildcard symbol may retrieve word variants: te ((sai ky) or (sach ty)) nang ((ha noi) or (xa hoi)). hieu va lam xuc ban hang vi cua tre*.