Disable or Remove Message Nothing Found

Hi people, I´m a new user WordPress and Adonis Free Theme. My page tadeusantos.com is very simple. I don´t use posts and other things at this moment. I configured 2 Widgets with images and URL link, its working. but I don´t know remove or disable the message Nothing Found It seems we can’t find what you’re looking for. Perhaps searching can help. can you help me ? Thanks Tadeu Santos