Perhaps you should try some spelling variations:
chiet tach » chieu sach
nhung cong » dung cong, thong cong, hang cong
chinh cua » chinh ca, hinh cua, chinh luan
chinh sua » chinh su, chinh luan, hinh su
van thanh » ban thanh
ho chiet » ho chieu, ho thiet, hoc thiet
van tuan » van quan, van ban, anh tuan

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 - hanh ((chinh cua) OR (chinh sua)) nhung cong ((van thanh) or (van tuan)) ban~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - hanh ((chinh cua) OR (chinh sua)) nhung cong ((van thanh) OR (van tuan)) ban.
• The words AND, OR and NOT may confuse the search; try adding quotes: "ho chiet tach - hanh ((chinh cua) OR (chinh sua)) nhung cong ((van thanh) or (van tuan)) ban".
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - hanh ((chinh cua) OR (chinh sua)) nhung cong ((van thanh) or (van tuan)) ban*.