Short tags that are substrings of other tags are difficult to find in autocomplete lists. Here is a recent example of a user having problems with this.
Putting an exact text input match to the top of the list is already implemented on the tag search page:
but not in any autocomplete list.
Interesting/ignored tags:
Ask Question/edit page:
To make it easier to find short tags, I would like the same behaviour from the tag search page implemented in the autocomplete lists.
EDIT: Sorry for the misunderstanding. I realize the autocomplete lists order descending by popularity and the search page orders by name. I think that part should stay the same. All I want is the exact match functionality added to the autocomplete lists.