They can be found at line 169 and 177 in single-evolve_portfolio.php
Use a child theme for over riding. Do not make your edit in Evolve plus theme, it will be gone in theme update.
or you can use this plugin https://wordpress.org/plugins/loco-translate/ to “translate” those words.
Our support does not include modifications to theme file, you can contact our developer for customization service, if you require further assistance. https://theme4press.com/theme-customization-service/