Perhaps you should try some spelling variations:
cua viet » ca viet, hoa viet, cua vat
anh thai » anh thi, anh tai, nhanh thai
sach ky » sac ky, sach y, sach ty
duc ban » duc tan, duc van, dua ban
tu sach » thu sach, su sach, te sach
hieu ve » hieu va, hieu van
lang xa » lang ha, dang xay, lang van
ky lang » ky nang, ky dang, ky tang
xuc ban » cuc ban, quoc ban, xuat ban
ve cac » va cac, vien cac
cua te » cua tu

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 ky lang xa hoi. hieu ve cac ((xuc ban) or (duc ban)) anh thai ((cua te) or (cua viet))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky lang xa hoi. hieu ve cac ((xuc ban) OR (duc ban)) anh thai ((cua te) OR (cua viet)).
• Adding a wildcard symbol may retrieve word variants: tu sach ky lang xa hoi. hieu ve cac ((xuc ban) or (duc ban)) anh thai ((cua te) or (cua viet))*.