Perhaps you should try some spelling variations:
sang lai » sang tai, sang lap, mang lai
sach ky » sac ky, sach y, sach ty
mai nam » hai nam, loai nam
lai nam » loai nam, hai nam, dai nam
te sach » toc sach
cac duc » cac du, cao duc, cac dac
hieu ve » hieu va, hieu van
lai hoi » dai hoi, lai hoa, lai roi
ky sang » ky nang, ky dang, ky tang
va daoh » va danh, va doanh
ve cac » va cac, vien cac
va dao » ca dao

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

• If you are trying to use Boolean operators, they must be ALL CAPS: te sach ky sang lai hoi. hieu ve cac duc ((va daoh) OR (va dao)) ((lai nam) OR (mai nam)) treo~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "te sach ky sang lai hoi. hieu ve cac duc ((va daoh) or (va dao)) ((lai nam) OR (mai nam)) treo~".
• Adding a wildcard symbol may retrieve word variants: te sach ky sang lai hoi. hieu ve cac duc ((va daoh) or (va dao)) ((lai nam) OR (mai nam)) treo*.