Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
cong hach » cong sach, cong thanh, cong khanh
hach toan » thanh toan, manh toan
ho chieu » theo chieu, hoc thieu, doi chieu
anh tang » anh bang, anh dang, anh nang
cua dung » cua dang, qua dung, cua rung
cua dong » chua dong, cua cong, cua dang
toan cao » toan ban, toan tap

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 - anh tang ((cua dung) OR (cua dong)) cong hach toan cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - anh tang ((cua dung) OR (cua dong)) cong hach toan cao*".