Perhaps you should try some spelling variations:
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
ky dang » ky nang, ky danh
dang xa » dang xay, lang xa, dang ha
mua van » ma van, mua dan, qua van
mua ban » cua ban, qua ban
cua tre » cua te, cuu tre, cua triet
va nam » van nam, ha nam
va nay » va ngay, va cay
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 ky dang xa hoi. lieu ((va nam) or (va nay)) ((mua van) or (mua ban)) hanh vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky dang xa hoi. lieu ((va nam) OR (va nay)) ((mua van) OR (mua ban)) hanh vi cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky dang xa hoi. lieu ((va nam) or (va nay)) ((mua van) or (mua ban)) hanh vi cua tre*.