I don't believe there are any options to change how discussions are ordered on the Discussions view. You can control how they are arranged in Modules and if your modules equate to sequentially due discussions I guess you could get roughly the same thing but I do not believe there is designed functionality in the Discussions view.
Hello @vagles ...
In addition to the information that you received from @scottdennis, have you considered pinning your discussion topics on your Discussions index page? Here are a couple Guides that might be of help to you:
Let Community member know if you have any other questions about this...thanks! Take care, stay safe, and be well.