Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tach » chiet tach, chieu sach, chiu trach
dung cong » dung trong
cong tac » cong ty
toan cau » toan cao, toan ban, toan tai
toan tap » toan ban
anh ban » anh bang, anh bai, anh van
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 - anh ban va dung cong tac ((toan cau) OR (toan tap))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tach - anh ban va dung cong tac ((toan cau) OR (toan tap))".
• Adding a wildcard symbol may retrieve word variants: theo chieu tach - anh ban va dung cong tac ((toan cau) OR (toan tap))*.