Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
dung cong » dung trong
ho chieu » theo chieu, hoc thieu, doi chieu
tra quan » tri quan, tran quang, toan quan
hai quan » tac quan
cong san » cong tac
toan tai » toan tap, doanh tai, toan cao
toan ban » van 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 - thanh ((tra quan) or (hai quan)) dung cong san ((toan tai) or (toan ban))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - thanh ((tra quan) OR (hai quan)) dung cong san ((toan tai) OR (toan ban)).
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - thanh ((tra quan) or (hai quan)) dung cong san ((toan tai) or (toan ban))*.