Perhaps you should try some spelling variations:
chieu xanh » chieu tinh, hieu manh
chieu sang » hieu lang, nhieu tang
chieu sach » chinh sach, chiet tach, hieu cach
hanh tranh » canh tranh, hanh trinh, hanh trang
nhung cong » dung cong, thong cong, hang cong
tranh cua » doanh cua, manh cua
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) or (((chieu sang) or (chieu sach)))) - hanh tranh cua nhung cong tac toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((chieu xanh) OR (((chieu sang) OR (chieu sach)))) - hanh tranh cua nhung cong tac toan cau.
• Adding a wildcard symbol may retrieve word variants: doi ((chieu xanh) or (((chieu sang) or (chieu sach)))) - hanh tranh cua nhung cong tac toan cau*.