Perhaps you should try some spelling variations:
sach ky » sach y, sach ty, sach kem
ban anh » ban hanh, ban banh, ban danh
xuc ban » duc ban, cuc ban, quoc ban
cac xuc » cam xuc, cac nuoc, chat xuc
hieu ve » hieu va, hieu van
cua tre » cua te, cuu tre, cua triet
ve cac » va cac, vien cac
sac ky » cac ky
anh va » hanh va
va cua » va chua, via cua, ca 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: tu ((sach ky) or (((sac ky) OR (sai ky)))) nang x hoi. hieu ve cac xuc ban anh va cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (((sac ky) OR (sai ky)))) nang x hoi. hieu ve cac xuc ban anh va cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (((sac ky) OR (sai ky)))) nang x hoi. hieu ve cac xuc ban anh va cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ky) or (((sac ky) OR (sai ky)))) nang x hoi. hieu ve cac xuc ban anh va cua tre*.