Perhaps you should try some spelling variations:
chiet tach » chieu sach
hoc chiet » hoc thiet, hoc nhiet, hoc hien
cua thong » cua thuong, cua tong, suat thong
cua khong » hua khong, cua phuong, cua thuong
anh tang » anh bang, anh dang, anh nang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan ban » van ban

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

• Performing a fuzzy search may retrieve terms with similar spellings: hoc chiet tach - anh tang ((cua thong) OR (cua khong)) cong tac toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc chiet tach - anh tang ((cua thong) OR (cua khong)) cong tac toan ban".
• Adding a wildcard symbol may retrieve word variants: hoc chiet tach - anh tang ((cua thong) OR (cua khong)) cong tac toan ban*.