Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh luan » khanh luan, hang luan, hanh luat
van nhung » van nhuong, va nhung, van phung
van hung » van dung, manh hung, van duong
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 tinh - hanh luan ((van nhung) OR (van hung)) cong tac toan cau~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu tinh - hanh luan ((van nhung) OR (van hung)) cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - hanh luan ((van nhung) OR (van hung)) cong tac toan cau*.