Perhaps you should try some spelling variations:
nhiem nghe » nghiep nghe, hiem ngheo
nghe nam » nghe lam, nghiep nam, nghe nano
nam thuc » nam thuoc, am thuc, nam thu
su sach » so sach, vu sach
thuc va » thuc vat, thuc dan, thuc day
va hanh » van hanh, va thanh, va danh
luu tre » luu tru, cuu tre, luy tre
ma hoi » mai hoi, xa hoi, me hoi
vi luu » vi lua

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: ((su sach) OR (thu hoach)) ky nang ((ma hoi) OR (ma hoa)). nhiem nghe nam thuc va hanh vi luu tre~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((su sach) or (thu hoach)) ky nang ((ma hoi) OR (ma hoa)). nhiem nghe nam thuc va hanh vi luu tre~".
• Adding a wildcard symbol may retrieve word variants: ((su sach) or (thu hoach)) ky nang ((ma hoi) OR (ma hoa)). nhiem nghe nam thuc va hanh vi luu tre*.