Perhaps you should try some spelling variations:
ncanh tranh » nhanh thanh, can tranh, nganh thanh
theo chieu » theo tieu, ho chieu, theo chu
chieu sach » chinh sach, chiet tach, chieu sang
tong cong » trong cong, cong cong, dang cong
dung cong » dung trong
ban than » ban thanh, van thanh, ban hang
than cap » khan cap, thanh lap, thanh cac

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 sach - ((canh tranh) or (ncanh tranh)) qua ((tong cong) OR (dung cong)) ban than cap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: theo chieu sach - ((canh tranh) OR (ncanh tranh)) qua ((tong cong) OR (dung cong)) ban than cap.
• The words AND, OR and NOT may confuse the search; try adding quotes: "theo chieu sach - ((canh tranh) or (ncanh tranh)) qua ((tong cong) OR (dung cong)) ban than cap".
• Adding a wildcard symbol may retrieve word variants: theo chieu sach - ((canh tranh) or (ncanh tranh)) qua ((tong cong) OR (dung cong)) ban than cap*.