Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
doanh thu » doanh tai
ban nuoc » ban duoc, ban thuoc, luan nuoc
va doanh » van doanh, vay doanh, va danh
ban nuoi » ban nguoi, ban noi, dan nuoi
thu cua » thuc cua, hu cua, tu cua
so sach » bo sach, co sach, hoc sach
nang xa » nang x, lang xa, nang ma
ly nang » ky nang, ly hang, ly vang
so sanh » do sanh
cua tre » cua te, cuu tre, cua triet

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 (so sanh)) ly nang xa hoi. hieu viec ((ban nuoc) or (ban nuoi)) va doanh thu cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((so sach) OR (so sanh)) ly nang xa hoi. hieu viec ((ban nuoc) OR (ban nuoi)) va doanh thu cua tre.
• Adding a wildcard symbol may retrieve word variants: ((so sach) or (so sanh)) ly nang xa hoi. hieu viec ((ban nuoc) or (ban nuoi)) va doanh thu cua tre*.