Perhaps you should try some spelling variations:
theo chieu » theo tieu, ho chieu, theo chu
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh trinh » hanh chinh
luat dung » suat dung, luat chung, thuat dung
dung cong » dung trong
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan tap » toan ban

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 trinh) or (canh tranh)) luat dung cong tac toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu tinh - ((hanh trinh) OR (canh tranh)) luat dung cong tac toan tap.
• Adding a wildcard symbol may retrieve word variants: theo chieu tinh - ((hanh trinh) or (canh tranh)) luat dung cong tac toan tap*.