Perhaps you should try some spelling variations:
chieu tinh » trieu tinh, lieu tinh, chau tinh
hanh tranh » canh tranh, hanh trang, lanh tranh
hanh trinh » canh tranh, hanh chinh
dang cong » dung cong
ho chieu » theo chieu, hoc thieu, doi chieu
ban cong » bang cong, van cong, phan cong
tac toan » tap toan, tam toan, hach toan
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: ho chieu tinh - ((hanh tranh) or (hanh trinh)) cua ((ban cong) or (dang cong)) tac toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu tinh - ((hanh tranh) OR (hanh trinh)) cua ((ban cong) OR (dang cong)) tac toan cao.
• Adding a wildcard symbol may retrieve word variants: ho chieu tinh - ((hanh tranh) or (hanh trinh)) cua ((ban cong) or (dang cong)) tac toan cao*.