Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » hanh trinh, hanh trang, lanh tranh
nhung cong » dung cong, thong cong, hang cong
doi chieu » doc hieu, doi chi, ho chieu
cua nhung » va nhung
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: doi chieu xanh - ((((hanh tranh) OR (canh tranh))) or (hanh chinh)) cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - ((((hanh tranh) OR (canh tranh))) OR (hanh chinh)) cua nhung cong tac toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - ((((hanh tranh) OR (canh tranh))) or (hanh chinh)) cua nhung cong tac toan cau".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - ((((hanh tranh) OR (canh tranh))) or (hanh chinh)) cua nhung cong tac toan cau*.