Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thanh bai » thanh hai, thanh tai, thanh oai
ho chieu » theo chieu, hoc thieu, doi chieu
tung van » trung van, dung van, tong van
tang van » dang van, hoang van, trong van
cong ban » cong bang, cong san, cong dan
cong tan » cong tac, cong san, cong thanh

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 - thanh ((tung van) OR (tang van)) dung ((cong ban) or (cong tan)) thanh bai~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tung van) OR (tang van)) dung ((cong ban) OR (cong tan)) thanh bai.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chieu sach - thanh ((tung van) OR (tang van)) dung ((cong ban) or (cong tan)) thanh bai".
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((tung van) OR (tang van)) dung ((cong ban) or (cong tan)) thanh bai*.