Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tach » chiet tach, chieu sach, chiu trach
anh bang » anh hoang, anh quang, tinh bang
va thong » va thuong, va phuong, he thong
va tuong » va thuong, xa truong, va phuong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » 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: theo chieu tach - anh bang ((va thong) or (va tuong)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tach - anh bang ((va thong) OR (va tuong)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu tach - anh bang ((va thong) or (va tuong)) cong tac toan cau*.