Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
chinh luan » chinh ngan, trinh luan, binh luan
hang thong » hang thuong, hang khong, mang thong
luan hang » luan nang, luan han, luan hung
thong van » trong van, thong va, thong quan
van thang » van thanh, van khang, van hang
thang ca » thang cua, hang ca, tang ca

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doc ((chieu sach) or (cchieu sach)) - hanh chinh luan hang thong van thang ca~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doc ((chieu sach) OR (cchieu sach)) - hanh chinh luan hang thong van thang ca.
• Adding a wildcard symbol may retrieve word variants: doc ((chieu sach) or (cchieu sach)) - hanh chinh luan hang thong van thang ca*.