Perhaps you should try some spelling variations:
tu sach » thu sach, te sach, tu cach
su sach » so sach, vu sach
ky lang » ky dang, ky tang, tay lang
xuc ban » duc ban, cuc ban, quoc ban
ban anh » ban hanh, ban banh, ban danh
cua tre » cua te, cuu tre, cua triet
ha hoi » hoa hoi, ha noi, xa hoi
va cam » va cham, va cac, va cao
anh vi » hanh vi, anh va, anh ve
vi cua » vai cua, di cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (su sach)) ((ky lang) OR (ky nang)) ha hoi. lieu va cam xuc ban anh vi cua tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) OR (su sach)) ((ky lang) or (ky nang)) ha hoi. lieu va cam xuc ban anh vi cua tre~".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) OR (su sach)) ((ky lang) or (ky nang)) ha hoi. lieu va cam xuc ban anh vi cua tre*.