Hum ... first time I try this so make backup of search.php file ...
// Step 1
In search.php file,
find:
if ($search_keywords != "" && $show_result == 1) {
add after:
$get_search_word_show = preg_replace("/" . $site_template->start . "search_word_show" . $site_template->end . "/siU", format_text(trim($search_keywords), 2), $lang['search_word_show']);
after - find:
"search_user" => format_text(stripslashes($org_search_user), 2),
add after:
"lang_search_word_show" => (isset($get_search_word_show) && !empty($get_search_word_show)) ? $get_search_word_show : "",
// Step 2
In lang/english/main.php file,
add in top ?>:
$lang['search_word_show'] = "You search for: <b>{search_word_show}</b>";
// Step 3
Use: {lang_search_word_show} in templates/your_template/search_form.html file .