Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
cua thong » cua thuong, cua khong, cua tong
hanh ban » thanh ban, hang ban, hanh san
cong san » cong tac
toan cau » toan cao, toan ban, toan tap
phan cau » phan dau, phan cac, phan tu
ban cua » ban quan

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 xanh) or (chieu sach)) - hanh ban cua thong cong san ((toan cau) or (phan cau))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo ((chieu xanh) OR (chieu sach)) - hanh ban cua thong cong san ((toan cau) OR (phan cau)).
• Adding a wildcard symbol may retrieve word variants: theo ((chieu xanh) or (chieu sach)) - hanh ban cua thong cong san ((toan cau) or (phan cau))*.