Hello,
1) You set the limit of posts to 10 and display 10 per page, that’s why you did not have pagination as at the blog page. Change the limit to 30 for example http://prntscr.com/ru1rwo
2) Where can’t you add the search widget? To page content? Don’t see issues with this http://prntscr.com/ru1vrp http://prntscr.com/ru1w6t
Regards