Click on the "Commits" tab to view all the commits in the repository.
Use the search bar to search for specific keywords, authors, or commit messages to find the old commits you are looking for.
You can also use the "Filter by author" or "Filter by branch" options to narrow down the search results.
To find comments on specific commits, click on the commit you are interested in to view the details.
Scroll down to view any comments that have been made on the commit.
You can also use the search bar within the comments section to search for specific keywords or usernames.
If you remember the username of the person who made the comment, you can search for their username in the search bar to find all the comments they have made.
You can also use the "Activity" tab to view a timeline of all the activity in the repository, including commits and comments.