Perhaps you should try some spelling variations:
phung cong » nhung cong, phong cong, nhung chong
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
cua phung » cua phuong, cua nhung, cua chung
cong tac » cong ty
doan tap » toan tap, doanh tai, doan tuan
doan cap » doanh cao, dan ca, toan cao

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: ((doi chieu) OR (theo tieu)) sach - hanh tranh cua phung cong tac ((doan tap) OR (doan cap))~.
• Adding a wildcard symbol may retrieve word variants: ((doi chieu) or (theo tieu)) sach - hanh tranh cua phung cong tac ((doan tap) or (doan cap))*.