Your shared site credentials do not work for me and on visiting shared Projects page I get some code as shown in the attached screenshot.
Please make sure that the page is accessible for me so that I can help you.
To increase paragraph text, you have to overwrite theme file /jevelin/framework-customizations/extensions/shortcodes/shortcodes/portfolio/views/view.php in Jevelin child theme and change the length of excerpt in the below code added in the above file.
<?php echo jevelin_get_excerpt( 10, get_the_excerpt() ); ?>
I’m looking through my child theme folders and I get this far before I’m left with just a .listing file:
i.e. there is no /portfolio/views/view.php at least on my filezilla visible.
The Jevelin parent theme has a more similar file structure, but still not exact: