Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh, hieu manh
chieu sang » chieu sach, hieu lang, nhieu tang
hanh tranh » canh tranh, hanh trinh, hanh trang
tranh cua » doanh cua, manh cua
trong tan » trong quan, trong cac, cong tan
cua dung » cua dang, cua dong, qua dung
trong ca » trong cac, trong nha
toan ban » van ban

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: toc ((chieu xanh) OR (chieu sang)) - hanh tranh cua dung ((trong tan) OR (trong ca)) toan ban~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc ((chieu xanh) OR (chieu sang)) - hanh tranh cua dung ((trong tan) or (trong ca)) toan ban~".
• Adding a wildcard symbol may retrieve word variants: toc ((chieu xanh) OR (chieu sang)) - hanh tranh cua dung ((trong tan) or (trong ca)) toan ban*.