Perhaps you should try some spelling variations:
ban hanh » ban hang
cau tren » cu tren, dau tren, ca tren
danh xay » dang xay, manh xay, anh xay
hanh vai » hanh vi, hanh va, hanh tai
pham cuc » pham chuc, pham duc, pham cua
su sach » so sach, vu sach
cuu tre » cua tre, cau treo
cuc ban » cua ban, cac ban, cuu ban
sach ky » sac ky, sach y, sach ty
va pham » van pham, va phat, va phap
hieu va » lieu va, hieu qua
xay hoi » xa hoi, tay hoi, cay phoi
ky danh » ky anh, ky dang
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 danh xay hoi. hieu va pham cuc ban hanh vai ((((cuu tre) or (cau tren))) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky danh xay hoi. hieu va pham cuc ban hanh vai ((((cuu tre) OR (cau tren))) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ky danh xay hoi. hieu va pham cuc ban hanh vai ((((cuu tre) or (cau tren))) or (cua te))*.