Perhaps you should try some spelling variations:
hiem nghe » hiem ngheo, nhiem nghe, hiem ngan
nghe nam » nghe lam, nghiep nam, nghe nano
cao hoa » cao hoat, cao khoa, cau hoa
cua tre » cuu tre, cua triet, dua tren
tu sai » tu bai, tu san, tu cai
sai ky » sac ky
nam tu » nam thu, nam thuc
ca dan » cac dan, ca dao
dan vi » doan vi, don vi, dan va
cua te » cua tu
tu ca » tu cac, tu cua, tu can

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

• Performing a fuzzy search may retrieve terms with similar spellings: tu sai ky nang cao hoa. hiem nghe nam tu ca dan vi ((cua tre) OR (cua te))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "tu sai ky nang cao hoa. hiem nghe nam tu ca dan vi ((cua tre) OR (cua te))".
• Adding a wildcard symbol may retrieve word variants: tu sai ky nang cao hoa. hiem nghe nam tu ca dan vi ((cua tre) OR (cua te))*.