Perhaps you should try some spelling variations:
ban banh » ban hanh, ban anh, ban danh
ban dan » ban hang, ban hanh, ban quan
sach ky » sac ky, sach y, sach kem
hieu va » lieu va, hieu qua
sach ty » sach y, sach tu, sach thu
cua tre » cua te, cuu tre, cua triet
va cam » va cham, va cac, va cao
vi cua » vai cua, di cua
x hoi » xa hoi, o hoi, x ho

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu ((sach ky) OR (sach ty)) nang x hoi. hieu va cam xuc ((ban banh) or (ban dan)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu ((sach ky) OR (sach ty)) nang x hoi. hieu va cam xuc ((ban banh) OR (ban dan)) vi cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "thu ((sach ky) OR (sach ty)) nang x hoi. hieu va cam xuc ((ban banh) or (ban dan)) vi cua tre*".