Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
cong thanh » dong thanh, cong trinh, cong tan
doc chieu » doc hieu, doi chieu, toc thieu
trang va » tran van, hang va
va thong » va thuong, va phuong, he thong
cong san » cong tac
toan cau » toan cao, toan tap, toan tai
toan ban » van ban

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc chieu xanh - hanh trang va thong ((cong thanh) or (cong san)) ((toan cau) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc chieu xanh - hanh trang va thong ((cong thanh) OR (cong san)) ((toan cau) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: doc chieu xanh - hanh trang va thong ((cong thanh) or (cong san)) ((toan cau) or (toan ban))*.