Perhaps you should try some spelling variations:
chieu xanh » chieu sach, chieu sang, chieu tinh
canh manh » lanh manh, cach mang, van manh
ho chieu » theo chieu, hoc thieu, doi chieu
va thong » va thuong, va phuong, he thong
cong san » cong tac
cong tan » cong tac, cong thanh, cong ty
toan cao » toan ban, toan tap

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

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