Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nang ma » tang ma, sang ma, nang cao
dau xuc » dau xac, dau nuoc
dau xua » dau cua, dao xuan, dau luan
va hanh » van hanh, va thanh, va danh
hanh di » hanh vi, hanh de, hang di
ma hoi » mai hoi, xa hoi, ma hoa
di cua » dai cua, doi cua, de cua

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sach ky nang ma hoi. lieu va ((dau xuc) OR (dau xua)) va hanh di cua viet~".
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ma hoi. lieu va ((dau xuc) OR (dau xua)) va hanh di cua viet*.