Modify order by search

Hi, first of all, congrats for the amazing plugin.
I would like to know if it is possible to order the search results according to exact term first, and containing term later.

If i search for the term “art”… i wanna show results: “ART” first and then heart, part, party…

The order by should be something like this:
INSTR( $wpdb->posts.post_title,'{term}')

If i run INSTR function directly on order by of sql sentence it works, but i couldn′t make it works in your plugin.

Can someone help me?
Thanks