The image appears to be a page from a book or document, specifically page 21 of a book numbered 31. The text on the page is in Vietnamese and seems to be discussing topics related to real estate and property. Here's a summary of the content:

1. **Trường hợp Xác Định**: This translates to "Real Estate Transaction" or "Real Estate Transaction."
2. **Trường hợp Loại Trú**: This translates to "Real Estate Loan" or "Real Estate Loan."
3. **Trường hợp Xác Định**: This translates to "Real Estate Transaction" or "Real Estate Transaction."
4. **Trường hợp Loại Trú**: This translates to "Real Estate Loan" or "Real Estate Loan."

The text seems to be discussing various aspects of real estate transactions and loans, possibly in the context of real estate development or property management.