Perhaps you should try some spelling variations:
nganh thanh » nhanh thanh, danh thanh, nhanh thang
ncanh tranh » nhanh thanh, can tranh, lanh tranh
theo chieu » theo tieu, ho chieu, theo chu
chieu xanh » chieu sach, chieu sang, chieu tinh
hang cong » dang cong, hang nong, bang cong
cong san » cong tac
san toan » van toan, dan toan, manh toan
toan ban » van ban
va hang » van hang, va nang, va lang

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

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