Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu hanh » chieu xanh, dieu hanh, hien hanh
anh tang » anh bang, anh nang, anh sang
anh dang » anh dong, anh dung, anh bang
van dung » van dong, xay dung, tin dung
va tuong » va thuong, va thong, xa truong
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 hanh - ((anh tang) or (anh dang)) ((van dung) or (va tuong)) cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu hanh - ((anh tang) OR (anh dang)) ((van dung) OR (va tuong)) cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo chieu hanh - ((anh tang) or (anh dang)) ((van dung) or (va tuong)) cong tac toan cau*.