Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
trinh suat » trinh luat, trinh sat, trinh quan
hieu sach » chieu sach, hieu cach, dien sach
suat dung » thuat dung, xuat duong, suat huong
doc hieu » toc thieu, hoc thieu, hoc hien
cong tap » cuong tap, cong tan, tong tap
cong tac » cong ty
doan cau » toan cau, doan dau, doanh chau
doan cap » doanh cao, dan ca, toan cao

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

• Performing a fuzzy search may retrieve terms with similar spellings: doc hieu sach - hanh trinh suat dung ((cong tap) or (cong tac)) ((doan cau) OR (doan cap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc hieu sach - hanh trinh suat dung ((cong tap) OR (cong tac)) ((doan cau) OR (doan cap))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doc hieu sach - hanh trinh suat dung ((cong tap) or (cong tac)) ((doan cau) OR (doan cap))*".