Perhaps you should try some spelling variations:
chieu tinh » lieu tinh, chau tinh, kieu tinh
cong cong » cong dong, trong cong, dung cong
hanh han » hanh nhan, hanh phan, hanh san
cong tac » cong ty
tac toan » tap toan, tam toan, hach toan
toan cau » toan cao, toan ban, toan tap
han cua » hang cua, nhan cua, than cua

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) or (trieu tinh)) - hanh han cua cong cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu tinh) OR (trieu tinh)) - hanh han cua cong cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: theo ((chieu tinh) or (trieu tinh)) - hanh han cua cong cong tac toan cau*.