Perhaps you should try some spelling variations:
chiet tach » chieu sach
cua truong » cua trung, xuan truong, cac truong
ca thuong » cao thuong, cua thuong, va thuong
ho chiet » ho chieu, ho thiet, hoc thiet
canh ban » can ban, canh dan, canh van
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 chiet tach - canh ban ((ca thuong) or (cua truong)) cong van phan tu~.
• If you are trying to use Boolean operators, they must be ALL CAPS: ho chiet tach - canh ban ((ca thuong) OR (cua truong)) cong van phan tu.
• Adding a wildcard symbol may retrieve word variants: ho chiet tach - canh ban ((ca thuong) or (cua truong)) cong van phan tu*.