Perhaps you should try some spelling variations:
nhiem nghe » nghiep nghe, hiem ngheo
danh sai » dung sai, danh bat, danh dau
nghe nam » nghe lam, nghiep nam, nghe nano
sach ky » sach y, sach ty, sach kem
sai cua » dai cua, hai cua, lai cua
xa danh » va danh, dia danh, nam danh
cua tre » cua te, cuu tre, cua triet
ma hoi » mai hoi, xa hoi, me hoi
thu xa » thu xac, thu ha, thu xe
sac ky » cac ky, sai ky

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) or (sac ky)) tang ((ma hoi) OR (ma hoa)). nhiem nghe nam thu xa danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu ((sach ky) OR (sac ky)) tang ((ma hoi) OR (ma hoa)). nhiem nghe nam thu xa danh sai cua tre*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu ((sach ky) or (sac ky)) tang ((ma hoi) OR (ma hoa)). nhiem nghe nam thu xa danh sai cua tre*".