Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
hanh tang » hanh trang, anh tang, hanh tung
hanh mang » nhanh mang, hanh trang, nhanh lang
cua thong » cua thuong, cua khong, suat thong
ho chieu » theo chieu, hoc thieu, doi chieu
cua tong » cua cong, cua dong, cua nong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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 tang) or (hanh mang)) ((cua thong) or (cua tong)) cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((hanh tang) OR (hanh mang)) ((cua thong) OR (cua tong)) cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((hanh tang) or (hanh mang)) ((cua thong) or (cua tong)) cong tac toan tap*.