Perhaps you should try some spelling variations:
ban thanh » ban hanh, ban hang
thanh vi » hanh vi, thanh va, thanh ve
sach thu » sach thue, sach thieu, sach tham
pham cuc » pham chuc, pham duc, pham cua
cuc ban » cua ban, cac ban, cuu ban
ve pham » vi pham, v pham, ve phan
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
sach ky » sach y, sach ty, sach kem
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 ky) or (sach thu))) or (sac ky)) lang xa hoi. hieu ve pham cuc ban thanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((((sach ky) OR (sach thu))) OR (sac ky)) lang xa hoi. hieu ve pham cuc ban thanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu ((((sach ky) or (sach thu))) or (sac ky)) lang xa hoi. hieu ve pham cuc ban thanh vi cua tre*.