Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
va hanh » van hanh, va thanh, ban hanh
ky tang » ky dang, kho tang, ky trong
tao hoi » tao khoi, tao boi, tay hoi
hieu le » hieu ve, hieu he, hieu ly
va danh » va dinh, va dan, dia danh
di cua » dai cua, doi cua, de cua
su sac » su sach, su cac, su xac
a thuc » am thuc, va thuc, ha thuc
le a » le va, le ta, le ha

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 tang) or (ky nang)) tao hoi. hieu le a thuc ((va hanh) or (va danh)) di cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sac ((ky tang) OR (ky nang)) tao hoi. hieu le a thuc ((va hanh) OR (va danh)) di cua viet.
• Adding a wildcard symbol may retrieve word variants: su sac ((ky tang) or (ky nang)) tao hoi. hieu le a thuc ((va hanh) or (va danh)) di cua viet*.