Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh trang » thanh trung, canh tranh, hanh trinh
doi chieu » doc hieu, doi chi, ho chieu
cong toan » cong tan, cong tuan, cong doan
cong hoan » cong hoa, dong hoa, cong san
trang va » tran van, hang va

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 trang va thuong ((cong toan) OR (cong hoan)) phan tu~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh trang va thuong ((cong toan) OR (cong hoan)) phan tu".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh trang va thuong ((cong toan) OR (cong hoan)) phan tu*.