Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh doanh » hang doanh, chinh doanh, doanh doanh
thong cong » trong cong, thong thong, phong chong
doanh cua » doanh luan
tong cong » trong cong, cong cong, dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
san toan » van toan, manh toan, xuan toan
dan toan » van toan, dan than, manh toan

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu sach - hanh doanh cua ((thong cong) OR (tong cong)) ((san toan) or (dan toan)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh doanh cua ((thong cong) OR (tong cong)) ((san toan) OR (dan toan)) cau*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - hanh doanh cua ((thong cong) OR (tong cong)) ((san toan) or (dan toan)) cau*".