There are reasons why the sales receipts recorded doesn't reflect in the View Vat detail section. I'm here to help you sort this out, Glob.
You'll need to ensure that the dates of these sales receipts are within the specific quarter you intend to report. Be sure to double-check both the Start Date and End Date for accuracy and for the sales receipts to be included.

But if you're referring to the VAT rate on the sales receipt not appearing in the report, please note that the Box 1 section of the VAT Detail Report provides a breakdown of your sales receipts, including both the VAT rate and the net amount. That's the reason the Vat rate is showing in this column.
While the Box 6 section will only display the net value of your sales and will not show the VAT rate. I’ve included a screenshot for visual reference:

To give you more information on how you can create a vat adjustment to correct your filing, I've added this article for a step by step guide: Create or Delete a VAT in QuickBooks Online.
However, I still recommend reaching out to your accountant. They have more specialized knowledge in terms of tax regulations and can properly guide you to ensure adjustments are accurate and are made within legal paramaters.
Additionally, I've provided this handy resources which consist of the common VAT codes and how you can apply them to your sales and purchases: Understanding VAT Codes in QuickBooks.
I want to ensure you feel confident and informed, VAT can sometimes feels a bit like maze. If you have any questions or concerns about VAT, feel free to ask. Your clarity is our priority. Have a great day!