Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
tong cong » trong cong, cong cong, dung cong
tan khang » van khang, tao khang, tinh khang
cua tong » cua cong, cua dong, cua nong
cong tan » cong tac, cong san, cong thanh
khang ap » khan ap, khang a, khong ap

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) or (chieu sach)) - canh tranh cua tong cong tan khang ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - canh tranh cua tong cong tan khang ap*.