Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
tranh cua » doanh cua, manh cua
cua nhung » va nhung
duong van » duong va, luong va, dang van
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, cong san, song van
toan tap » toan ban

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 sach - canh tranh cua nhung ((cong van) or (duong van)) toan tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - canh tranh cua nhung ((cong van) OR (duong van)) toan tap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - canh tranh cua nhung ((cong van) or (duong van)) toan tap*.