Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
ho chieu » theo chieu, hoc thieu, doi chieu
cua dang » cua cong, cua ban
cong tap » cuong tap, cong tac, tong tap
cong tan » cong tac, cong san, cong thanh

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu xanh - hanh tranh cua dang ((cong tap) OR (cong tan)) van ban~".
• Adding a wildcard symbol may retrieve word variants: ho chieu xanh - hanh tranh cua dang ((cong tap) OR (cong tan)) van ban*.