Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu tinh
chieu sang » chieu sach, hieu lang, nhieu tang
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
cong cong » cong dong, trong cong, dung cong
cong san » cong tac
pham ca » pham can, pham ma, pham va

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: theo ((((chieu xanh) OR (hieu manh))) OR (chieu sang)) - canh tranh cua cong cong san pham ca~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - canh tranh cua cong cong san pham ca~".
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - canh tranh cua cong cong san pham ca*.