JSFiddle - React, Tailwind, and code Playground

HTML

<section id="content">
<div id="search-block">
    <input type="text" id="inpSearch" placeholder="Search.." />
</div>
<div>
    <div class="wrapper">
        <h1>Question 1</h1>
        <p>Harry Markus Upload</p>
    </div>
</div>
<div>
    <div class="wrapper">
        <h1>Question 2</h1>
        <p>Registration Append August Download</p>
    </div>
</div>
<div>
    <div class="wrapper">
        <h1>Question 3</h1>
        <p>Login July Dad</p>
    </div>
</div>
</section>

JavaScript

jQuery.expr[':'].Contains = function(a, i, m) {
             return jQuery(a).text().toUpperCase()
                 .indexOf(m[3].toUpperCase()) >= 0;
           };
           jQuery.expr[':'].contains = function(a, i, m) {
             return jQuery(a).text().toUpperCase()
                 .indexOf(m[3].toUpperCase()) >= 0;
           };

$('#inpSearch').keyup(function(){
    var sSearch = this.value;
    sSearch = sSearch.split(" ");
    $('section#content > div:not(:first-child)').hide();
    $.each(sSearch, function(i){
    $('section#content > div:contains("' + sSearch[i] + '"):not(:first-child)').show();
    });
});