Perhaps you should try some spelling variations:
hieu nghe » lieu nghe, hiem ngheo, nhiem nghe
danh sai » dung sai, danh bat, danh dau
xac danh » xac dinh, tac danh, sach danh
nghe nam » nghe lam, nghiep nam, nghe nano
tu sach » thu sach, su sach, tu cach
sai cua » dai cua, hai cua, lai cua
thu xac » thau xay
mai hoi » mai khoi, dai hoi, lai hoi
te sach » toc sach
cua tre » cua te, cuu tre, cua triet
ma hoi » xa hoi, ma hoa, me hoi

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) or (te sach)) ky nang ((ma hoi) OR (mai hoi)). hieu nghe nam thu xac danh sai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((tu sach) OR (te sach)) ky nang ((ma hoi) OR (mai hoi)). hieu nghe nam thu xac danh sai cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((tu sach) or (te sach)) ky nang ((ma hoi) OR (mai hoi)). hieu nghe nam thu xac danh sai cua tre".
• Adding a wildcard symbol may retrieve word variants: ((tu sach) or (te sach)) ky nang ((ma hoi) OR (mai hoi)). hieu nghe nam thu xac danh sai cua tre*.