Perhaps you should try some spelling variations:
thu sach » tu sach, thuat sach, thuoc sach
cau treo » cau theo, cau tren, cau triet
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang ma » mang may, tang van
luc van » luoc van, luu van, duc van
cuc ban » cua ban, cac ban, cuu ban
qua ca » qua cac, qua cua, qua cai
vi cau » va cau, ve cau, di cau

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

• Performing a fuzzy search may retrieve terms with similar spellings: thu sach ky tang ma hoa. hieu qua ca ((luc van) or (cuc ban)) hanh vi cau treo~.
• If you are trying to use Boolean operators, they must be ALL CAPS: thu sach ky tang ma hoa. hieu qua ca ((luc van) OR (cuc ban)) hanh vi cau treo*.