Perhaps you should try some spelling variations:
hanh vai » hanh vi, hanh va, hanh tai
su sach » so sach, vu sach
duc ban » duc tan, duc van, dua ban
cuu tre » cua tre, cau tren, cau treo
xuc ban » cuc ban, quoc ban, xuat ban
sach ky » sac ky, sach y, sach ty
va cham » va chat, va tham
hieu va » lieu va, hieu qua
dang xa » dang xay, lang xa, dang ha
ky dang » ky nang, ky danh
cua te » cua tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sach ky dang xa hoi. hieu va cham ((xuc ban) OR (duc ban)) hanh vai ((cuu tre) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky dang xa hoi. hieu va cham ((xuc ban) OR (duc ban)) hanh vai ((cuu tre) OR (cua te)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach ky dang xa hoi. hieu va cham ((xuc ban) OR (duc ban)) hanh vai ((cuu tre) or (cua te))".
• Adding a wildcard symbol may retrieve word variants: su sach ky dang xa hoi. hieu va cham ((xuc ban) OR (duc ban)) hanh vai ((cuu tre) or (cua te))*.