Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
cong thanh » dong thanh, cong trinh, truong thanh
hieu manh » hieu nganh, dieu hanh, hien hanh
tranh cua » doanh cua, manh cua
cua thong » cua thuong, cua khong, cua tong
cong tan » cong tac, cong san, cong ty
toan ban » van ban

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

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