Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
viec ban » viec lam, viec va, viec tai
ban nuoc » ban duoc, ban nuoi, ban thuoc
so sach » so sanh, bo sach, hoc sach
co sach » bo sach, cuon sach, hoc sach
ky lang » ky nang, ky dang, ky tang
lang xa » lang ha, dang xay, lang van
va danh » va dinh, va dan, va hanh
danh tu » anh tu, doanh thu
cua tre » cua te, cuu tre, cua triet
tu cua » hu cua, vu cua

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((so sach) or (co sach)) ky lang xa hoi. hieu viec ban nuoc va danh tu cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (co sach)) ky lang xa hoi. hieu viec ban nuoc va danh tu cua tre.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (co sach)) ky lang xa hoi. hieu viec ban nuoc va danh tu cua tre*.