Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
hanh tranh » canh tranh, hanh trinh, hanh trang
doi chieu » doc hieu, doi chi, ho chieu
tranh van » tran van, trinh van, thanh van
van dung » van dong, xay dung, tin dung
cong van » cong vang, song van, cong tan
cong san » cong tac
toan ban » van ban

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: "doi chieu xanh - hanh tranh van dung ((cong van) OR (cong san)) toan ban~".
• Adding a wildcard symbol may retrieve word variants: doi chieu xanh - hanh tranh van dung ((cong van) OR (cong san)) toan ban*.