Perhaps you should try some spelling variations:
ban hanh » ban hang
vu sach » vu bach, su sach, vu khach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
ve cham » va cham, ve chat, vu cham
cuc ban » cua ban, cac ban, cuu ban
hanh di » hanh vi, hanh de, hang di
ma hoi » mai hoi, xa hoi, ma hoa
va cam » va cham, va cac, va cao
di cua » dai cua, doi cua, de cua

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

• If you are trying to use Boolean operators, they must be ALL CAPS: vu sach ky nang ma hoi. hieu ((ve cham) OR (va cam)) cuc ban hanh di cua vat~.
• Adding a wildcard symbol may retrieve word variants: vu sach ky nang ma hoi. hieu ((ve cham) or (va cam)) cuc ban hanh di cua vat*.