[Решено] ATE does not show all contents on page

Background of the issue:
I am trying to translate content that is under the accordion on the page скрытая ссылка.

Symptoms:
ATE does not show all contents on the page. Only the title of the accordion and page appear in ATE. Refer to the screenshots: Contents in accordion: скрытая ссылка, Contents available to translate in ATE: скрытая ссылка.

Questions:
Why is the content under the accordion not showing in ATE?
How can I make all accordion content available for translation in ATE?