Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
canh doanh » hanh doanh, chinh doanh, doanh doanh
cua thong » cua thuong, cua khong, suat thong
thong tap » thong cap, tong tap, thong tai
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
tap toan » tap doan, tap quan, bai toan
toan cau » toan cao, toan ban, toan tap

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - canh doanh ((cua thong) OR (cua tong)) thong tap toan cau~".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh doanh ((cua thong) OR (cua tong)) thong tap toan cau*.