<?php if (have_posts()) : ?> 
<?php $metinnnron = new WP_Query("cat='kategori-id'&showposts=konu-sayısı"); while($metinnnron->have_posts()) : $metinnnron->the_post();?>
<a href="<?php the_permalink() ?>"><?php the_title(); ?></a>
<?php endwhile; ?> 
<?php endif; ?>