Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh, hieu manh
chieu sach » chinh sach, chiet tach, chieu sang
hanh doanh » hang doanh, chinh doanh, doanh doanh
nhan nang » nhan dang, nham nang, nhan lang
cong dan » cong san, huong dan, cong dong
cong tan » cong tac, cong san, cong thanh
khan cap » khan ap, than cap, khoan cam

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

• If you are trying to use Boolean operators, they must be ALL CAPS: ho ((chieu xanh) OR (chieu sach)) - hanh doanh nhan nang ((cong dan) OR (cong tan)) khan cap~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho ((chieu xanh) or (chieu sach)) - hanh doanh nhan nang ((cong dan) OR (cong tan)) khan cap~".
• Adding a wildcard symbol may retrieve word variants: ho ((chieu xanh) or (chieu sach)) - hanh doanh nhan nang ((cong dan) OR (cong tan)) khan cap*.