To find posts that you added to course discussions, enter your username in the search field on the Discussions page, then click Search.
In the navigation pane on the left side of the page, posts that you added are listed under the heading “Show posts by (username)”. Click each post to open the full discussion thread in the main area.
To find all your discussion activity, including responses and comments, click the linked username in “Show posts by…” to open a discussion page that shows all of your discussion activity for the course.