We love to hear your feedback. Your suggestions and ideas are important to us. Our feedback forum is a great place to post your ideas and vote on others. Please share your detailed use case and how the proposed enhancements can increase value to your business. We do read all of your posts, but may not be able to respond to all comments.
More information on the status of submitted ideas can be found here
After careful investigating into this scenario, we have identified that it currently works as expected. Please let us know if you are still having issues with entering partial text into the communication template search boxes.