The image is an infographic divided into four sections, each containing a different type of problem-solving strategy. Here is a detailed description of each section:

1. **Section 1**: This section features a square with a white background and a blue border. Inside the square, there is a white square with a blue border, and inside this square, there is a white square with a blue border. The text in the square is written in Vietnamese characters.

2. **Section 2**: This section has a square with a white background and a blue border. Inside the square, there is a white square with a blue border, and inside this square, there is a white square with a blue border. The text in the square is written in Vietnamese characters.

3. **Section 3**: This section features a square with a white background and a blue border. Inside the square, there is a white square with a blue border, and inside this square, there is a white square with a blue border