Perhaps you should try some spelling variations:
chieu xanh » chieu sang, chieu tinh
chieu sach » chinh sach, chiet tach, chieu sang
nhung cong » dung cong, thong cong, hang cong
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
cua nhung » va nhung
san chang » ban hang, dan chan, van khang
cong san » cong tac
chang tu » chung tu, chang xu, hang tu

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

• Performing a fuzzy search may retrieve terms with similar spellings: doi ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh tranh cua nhung cong san chang tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi ((((chieu xanh) OR (hieu manh))) OR (chieu sach)) - canh tranh cua nhung cong san chang tu.
• The words AND, OR and NOT may confuse the search; try adding quotes: "doi ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh tranh cua nhung cong san chang tu".
• Adding a wildcard symbol may retrieve word variants: doi ((((chieu xanh) OR (hieu manh))) or (chieu sach)) - canh tranh cua nhung cong san chang tu*.