Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
doi chieu » doc hieu, doi chi, ho chieu
tranh cua » doanh cua, manh cua
hang cong » dang cong, hang nong, thanh cong
bang cong » dang cong, bang song, dung cong
than cap » khan cap, thanh lap, thanh cac
khan ap » khan cap, han ap, khan dam

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 - canh tranh cua ((hang cong) or (bang cong)) san ((than cap) or (khan ap))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu xanh - canh tranh cua ((hang cong) OR (bang cong)) san ((than cap) OR (khan ap)).
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - canh tranh cua ((hang cong) or (bang cong)) san ((than cap) or (khan ap))*.