Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
truong va » truong dai, truong cao, truong dao
tong cong » cong cong, dung cong, dang cong
ho chieu » theo chieu, hoc thieu, doi chieu
trang va » tran van, hang va
ban khan » ban than, ban nhan, ban chan
khan ap » khan cap, han ap, khan dam

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 ((trang va) or (truong va)) ((tong cong) or (trong cong)) ban khan ap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((trang va) OR (truong va)) ((tong cong) OR (trong cong)) ban khan ap.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((trang va) or (truong va)) ((tong cong) or (trong cong)) ban khan ap*.