Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
ban danh » ban doanh, ban hanh, ban dan
danh vi » hanh vi, dinh vi, danh di
xuc ban » duc ban, cuc ban, quoc ban
van cau » van dau, van hau, van chat
sach ty » sach tu, sach thu, xach tay
nang ma » tang ma, sang ma, nang cao
van cam » van nam, van lam, van dam
ma hoi » mai hoi, xa hoi, ma hoa
vi cua » vai cua, di cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu ((sach ty) or (sach y)) nang ma hoi. hieu ((van cam) OR (van cau)) xuc ban danh vi cua viet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ty) OR (sach y)) nang ma hoi. hieu ((van cam) OR (van cau)) xuc ban danh vi cua viet.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ty) or (sach y)) nang ma hoi. hieu ((van cam) OR (van cau)) xuc ban danh vi cua viet".
• Adding a wildcard symbol may retrieve word variants: tu ((sach ty) or (sach y)) nang ma hoi. hieu ((van cam) OR (van cau)) xuc ban danh vi cua viet*.