Perhaps you should try some spelling variations:
chieu tach » chieu sach, chiu trach, chieu tinh
chiet tach » chieu sach
dung cong » dung trong
anh bang » anh hoang, anh quang, tinh bang
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
bang va » hang va, ban va, trang va
va dung » van dung, va duong, vat dung

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

• Performing a fuzzy search may retrieve terms with similar spellings: theo ((chieu tach) OR (chiet tach)) - anh bang va dung cong tac toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((chieu tach) OR (chiet tach)) - anh bang va dung cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tach) OR (chiet tach)) - anh bang va dung cong tac toan cau*.