Perhaps you should try some spelling variations:
hieu viec » nhieu viec, hieu ve, sieu viet
cac nguoi » ca nguoi, tac nguoi, mac nguoi
nguoi sat » nguoi san, nguoi bat, nguoi nhat
viec cac » vien cac, viec cua, viec lam
co sach » bo sach, cuon sach, hoc sach
vu sach » vu bach, su sach, vu khach
sat anh » nhat anh, sat tinh
anh tai » hanh tai, anh thai, vanh tai
cuc tre » duc tre, cua tre, cuu tre
co hoi » co loi

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

• Performing a fuzzy search may retrieve terms with similar spellings: ((co sach) or (vu sach)) ky nang ((co hoi) or (co hoc)). hieu viec cac nguoi sat anh tai cuc tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ((co sach) OR (vu sach)) ky nang ((co hoi) OR (co hoc)). hieu viec cac nguoi sat anh tai cuc tre.
• Adding a wildcard symbol may retrieve word variants: ((co sach) or (vu sach)) ky nang ((co hoi) or (co hoc)). hieu viec cac nguoi sat anh tai cuc tre*.