Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
sach ky » sach y, sach kem, sach hay
cuc ban » cua ban, cac ban, cuu ban
cam cuc » cam xuc, cham cuu, pham cuc
hieu va » lieu va, hieu qua
lang xa » lang ha, dang xay, lang van
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
sac ky » cac ky, sai ky
va cam » va cham, va cac, va cao
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 ky) OR (sach ty))) OR (sac ky)) lang xa hoi. hieu va cam cuc ban thanh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((((sach ky) OR (sach ty))) OR (sac ky)) lang xa hoi. hieu va cam cuc ban thanh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((((sach ky) OR (sach ty))) OR (sac ky)) lang xa hoi. hieu va cam cuc ban thanh vi cua tre*.