Hello Andrey,
Thank you for your message.

I’ve tested the advanced search functionality on my end, and everything appears to be working correctly. Please find the screenshots below for your reference:
https://excellentnumbers.com/temp_vid/900900.png
https://excellentnumbers.com/temp_vid/9009000.png

Regarding the reservation display timing:
If a number is reserved by the Admin, it will show the reservation message without any timing. If a number is reserved by a User, it will display the reservation timing accordingly.