Perhaps you should try some spelling variations:
tinh hai » tinh thai, tinh chat, trinh han
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky danh » ky anh, ky dang
danh xa » danh ca, dinh xa, canh xa
hieu va » lieu va, hieu qua
duc ban » duc tan, duc van, dua ban
cuu ban » cuu van, cua ban, cuu san
hai cua » thai cua, dai cua, hoi cua
cua tre » cua te, cuu tre, cua triet

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 danh xa hoi. hieu va cac ((duc ban) or (cuu ban)) tinh hai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky danh xa hoi. hieu va cac ((duc ban) OR (cuu ban)) tinh hai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky danh xa hoi. hieu va cac ((duc ban) or (cuu ban)) tinh hai cua tre*.