Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
kthanh van » khanh van, thanh san, thanh va
thong cong » trong cong, tong cong, thong thong
thanh van » thanh san, thanh toan, thanh phan
cua thong » cua thuong, cua khong, cua tong
ho chieu » theo chieu, hoc thieu, doi chieu
cong van » cong vang, cong san, song van
van phan » van phong, van thanh, luan phan

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 van) or (kthanh van)) cua thong cong van phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chieu sach - ((thanh van) OR (kthanh van)) cua thong cong van phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chieu sach - ((thanh van) or (kthanh van)) cua thong cong van phan tu*.