Perhaps you should try some spelling variations:
ban hanh » ban hang
cua viet » ca viet, cua vat, cua dieu
su sach » so sach, vu sach
sach ky » sac ky, sach y, sach ty
ky tang » ky nang, ky dang, kho tang
tang xa » trang xa, tang ma, lang xa
hieu ve » hieu va, hieu van
cam cuc » cam xuc, cham cuu, pham cuc
cuc ban » cua ban, cac ban, cuu ban
ve cam » ve cham, ve cac, va cam
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 tang xa hoi. hieu ve cam cuc ban hanh vi ((((cua viet) or (hoa viet))) or (cua te))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach ky tang xa hoi. hieu ve cam cuc ban hanh vi ((((cua viet) OR (hoa viet))) OR (cua te)).
• Adding a wildcard symbol may retrieve word variants: su sach ky tang xa hoi. hieu ve cam cuc ban hanh vi ((((cua viet) or (hoa viet))) or (cua te))*.