Perhaps you should try some spelling variations:
chiet tach » chieu sach
thanh tran » thanh trang, thanh toan, thanh tra
van thong » van thuong, van phong, va thong
ho chiet » ho chieu, ho thiet, hoc thiet
tran van » luan van
cong dan » cong tan, huong dan, cong tac
cong san » cong tac
toan cao » toan ban, toan tap

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

• Performing a fuzzy search may retrieve terms with similar spellings: ho chiet tach - thanh tran van thong ((((cong dan) OR (cong dong))) or (cong san)) toan cao~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - thanh tran van thong ((((cong dan) OR (cong dong))) OR (cong san)) toan cao.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - thanh tran van thong ((((cong dan) OR (cong dong))) or (cong san)) toan cao".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - thanh tran van thong ((((cong dan) OR (cong dong))) or (cong san)) toan cao*.