my @terms    = split( / /, $search_terms );

my $querystr = "select id,title,bodytext from articles where ";


my $count = 0;
foreach my $term ( @terms )
{
   if ( $count )
   {
      $querystr .= " or ";
   }
   $querystr .= "bodytext like '%$term%' ";
   $count++;
}

$querystr   .= "order by id desc";

# Do the execution
my $query = $db->prepare( $querystr );
$query->execute();