Perhaps you should try some spelling variations:
sach kem » hanh kem
ban danh » ban doanh, ban hanh, ban dan
lang xa » lang ha, dang xay, lang van
cao cua » ca cua, co cua, cau cua
danh vi » hanh vi, dinh vi, danh di
cua tre » cua te, cuu tre, cua triet
sac ky » sai ky
va cao » va cac, va co, va dao
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 kem) or (((sac ky) OR (cac ky)))) lang xa hoi. lieu va cao cua ban danh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach kem) OR (((sac ky) OR (cac ky)))) lang xa hoi. lieu va cao cua ban danh vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach kem) or (((sac ky) OR (cac ky)))) lang xa hoi. lieu va cao cua ban danh vi cua tre".
• Adding a wildcard symbol may retrieve word variants: tu ((sach kem) or (((sac ky) OR (cac ky)))) lang xa hoi. lieu va cao cua ban danh vi cua tre*.