Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong toan » cong tan, cong hoan, cong doan
cong tuan » cong tan, cong luan, cong thanh
ho chieu » theo chieu, hoc thieu, doi chieu
hoa xuat » hoa xa
hoa chat » hop chat, hoa phan
phan dau » phan tu, hang dau

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 - doanh ((hoa xuat) or (hoa chat)) hang ((cong toan) OR (cong tuan)) phan dau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - doanh ((hoa xuat) OR (hoa chat)) hang ((cong toan) OR (cong tuan)) phan dau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - doanh ((hoa xuat) or (hoa chat)) hang ((cong toan) OR (cong tuan)) phan dau".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - doanh ((hoa xuat) or (hoa chat)) hang ((cong toan) OR (cong tuan)) phan dau*.