Perhaps you should try some spelling variations:
hieu nghe » lieu nghe, hiem ngheo, nhiem nghe
nghe nano » nghe dan, nghe san, nghe nhan
tu sach » thu sach, su sach, te sach
sach ky » sac ky, sach y, sach ty
nano tu » nang tu, nao tu, nano cau
dan lai » dan loai, dan lap, dan lat
lai cua » dai cua, hai cua, lai chau
cua tre » cua te, cuu tre, cua triet
va dan » ca dan, va dao, va dau

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 nang ((xa hoi) or (ma hoa)). hieu nghe nano tu va dan lai cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: tu sach ky nang ((xa hoi) OR (ma hoa)). hieu nghe nano tu va dan lai cua tre.
• Adding a wildcard symbol may retrieve word variants: tu sach ky nang ((xa hoi) or (ma hoa)). hieu nghe nano tu va dan lai cua tre*.