Perhaps you should try some spelling variations:
ban banh » ban hanh, ban danh, ban thanh
vu sach » vu bach, su sach, vu khach
hai cua » thai cua, dai cua, hoi cua
ban anh » ban hanh, ban danh, bang anh
hieu ve » hieu va, hieu van
sach ky » sac ky, sach y, sach ty
tay hoi » tay ho, tao hoi, tay thai
xay hoi » xa hoi, cay phoi, gay thoi
ky dang » ky nang, ky danh
cua tre » cua te, cuu tre, cua triet
ve cam » ve cham, ve cac, va cam

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

• Performing a fuzzy search may retrieve terms with similar spellings: vu sach ky dang ((xay hoi) or (tay hoi)). hieu ve cam xuc ((ban anh) OR (ban banh)) hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky dang ((xay hoi) OR (tay hoi)). hieu ve cam xuc ((ban anh) OR (ban banh)) hai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "vu sach ky dang ((xay hoi) or (tay hoi)). hieu ve cam xuc ((ban anh) OR (ban banh)) hai cua tre*".