Add this to your child themes functions file using a code editor like Notepad++.
You will need to change the page I.D’s in the code to your own.
Exclude Specific Pages From Search Results
add_filter( 'pre_get_posts', 'exclude_pages_search_when_logged_in' );
function exclude_pages_search_when_logged_in($query) {
if ( $query->is_search && is_user_logged_in() )
$query->set( 'post__not_in', array( 1, 2, 3, 4, 5 ) );
return $query;
}
Exclude All Pages From Search Results
add_action('pre_get_posts','exclude_all_pages_search');
function exclude_all_pages_search($query) {
if (
! is_admin()
&& $query->is_main_query()
&& $query->is_search
&& is_user_logged_in()
)
$query->set( 'post_type', 'post' );
}