Hello, this question has been asked many times. The fact is that the structure of storing joomla fields is not optimal (this is a question for the developers of the Joomla core), if we start calculating possible filtering options with certain parameters every time, it will be a very large load on the hosting.
The Joomla!® name is used under a limited license from Open Source Matters in the United States and other countries. joomline.net is not affiliated with or endorsed by Open Source Matters or the Joomla! Project.