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
va phuong » va thuong, cac phuong
va thong » va thuong, he thong, va cong
cong san » cong tac
san than » sang than, san thanh, ban than
than cao » toan cao, thai cao, than cap

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 thong) OR (va phuong)) cong san than cao~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi chieu xanh - hanh trang ((va thong) OR (va phuong)) cong san than cao*".