Perhaps you should try some spelling variations:
cong thanh » cong trinh, truong thanh
chieu xanh » chieu sach, chieu sang, chieu tinh
dong thanh » truong thanh
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
cua dang » cua cong, cua ban
cong tan » cong tac, cong san, cong ty
ban can » ban dan, ban hang, ban hanh

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 - canh tranh cua dang ((cong tan) or (((cong thanh) or (dong thanh)))) ban can~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu xanh - canh tranh cua dang ((cong tan) OR (((cong thanh) OR (dong thanh)))) ban can.
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - canh tranh cua dang ((cong tan) or (((cong thanh) or (dong thanh)))) ban can*.