Perhaps you should try some spelling variations:
chieu sach » chinh sach, chiet tach, chieu sang
thong cong » trong cong, tong cong, thong thong
thanh toan » thanh hoa, thanh san, tinh toan
doi chieu » doc hieu, doi chi, ho chieu
chinh van » chinh va, chinh ban, chinh can
van thong » van thuong, van phong, va thong
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: doi chieu sach - hanh chinh van thong cong ((dan toan) or (thanh toan)) tap~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi chieu sach - hanh chinh van thong cong ((dan toan) OR (thanh toan)) tap.
• Adding a wildcard symbol may retrieve word variants: doi chieu sach - hanh chinh van thong cong ((dan toan) or (thanh toan)) tap*.