Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
chinh cao » chinh cho, chinh ca, chinh bao
bang cong » dang cong, bang song, hang cong
ho chieu » theo chieu, hoc thieu, doi chieu
dan toan » van toan, dan than, manh toan

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 - hanh chinh cao ((thong cong) or (bang cong)) ((dan toan) or (van ban)) cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - hanh chinh cao ((thong cong) OR (bang cong)) ((dan toan) OR (van ban)) cau.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - hanh chinh cao ((thong cong) or (bang cong)) ((dan toan) or (van ban)) cau*.