The image is a poster with a blue background and white text in Vietnamese. The text is divided into four sections, each containing a numbered item followed by a brief description or instruction. Here is the summary of the content:

1. **Trường hợp xác định**: This section mentions "determine the case" in Vietnamese.
2. **Trường hợp loại trừ**: This section refers to "remove the case" in Vietnamese.
3. **Trường hợp xác định**: This section discusses "determine the case" in Vietnamese.
4. **Trường hợp loại trừ**: This section is about "remove the case" in Vietnamese.

The text appears to be providing instructions or guidelines related to determining and removing cases in Vietnamese.