If you make a search for something that returns more than 10,000 items in result. For example, search for only one letter "a" return 161,338 results on MSE. But if you select a page where 10,000+ result should be shown:
In the edge case page 3227 shows zero results:
But this is actual for any page where
per_page * page_number is more than 10,000.
Though this does not happen for Stack Overflow in English. It looks like all other sites are affected.
Related bug report on ruSO.meta: Не работает страница поиска с номером >200 | Search page number >200 is bugged