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
dung cong » dung trong
cua dung » cua dang, cua dong, qua dung
cong tan » cong tac, cong san, cong thanh
tran cau » tran chau, toan cau, ran cau

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 dung cong tan tran cau~.
• 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 dung cong tan tran cau~".
• Adding a wildcard symbol may retrieve word variants: theo ((((chieu xanh) OR (hieu manh))) or (chieu sang)) - canh tranh cua dung cong tan tran cau*.