Perhaps you should try some spelling variations:
thanh thong » thanh thuong, thanh hong, thanh thang
chieu xanh » chieu sach, chieu sang, chieu tinh
thong cua » thong quan, thong tu, huong cua
cua trong » cua truong, cua trung, qua trong
ho chieu » theo chieu, hoc thieu, doi chieu
cong san » cong tac
khan cap » khan ap, than cap, khoan cam
khan dam » thanh dam, chang dam, khanh nam

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chieu xanh - thanh thong cua trong cong san ((khan cap) or (khan dam))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - thanh thong cua trong cong san ((khan cap) OR (khan dam)).
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - thanh thong cua trong cong san ((khan cap) or (khan dam))*.