Perhaps you should try some spelling variations:
sang tay » sang tao, sang tai, sang tac
va hanh » van hanh, va thanh, va danh
ky sang » ky nang, ky dang, ky tang
tay hoi » tay ho, tao hoi, tay thai
hieu le » hieu he, hieu ly, tieu le
hieu ve » hieu va, hieu van
su sac » su sach, su cac, su xac
sac ky » cac ky, sai ky
di cua » dai cua, doi cua, de cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: su sac ky sang tay hoi. ((hieu le) or (hieu ve)) nam thu ((va hanh) or (gia dinh)) di cua vat~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ky sang tay hoi. ((hieu le) OR (hieu ve)) nam thu ((va hanh) OR (gia dinh)) di cua vat.
• Adding a wildcard symbol may retrieve word variants: su sac ky sang tay hoi. ((hieu le) or (hieu ve)) nam thu ((va hanh) or (gia dinh)) di cua vat*.