php - Why does not appear on these articles everywhere? -

i have page:

link

each article must appear time made.on first page its ok.from page 2 onwards dont display article data.

code php:

<?php while ( have_posts() ) : the_post(); ?>      <?php if( $wp_query->current_post == 0 ){ ?>         <li class="block first-post">             <a href="<?php the_permalink(); ?>" class="fancybox-iframe"><?php the_post_thumbnail('vantage-grid-loop'); ?></a>             <h3><a href="<?php the_permalink(); ?>" class="fancybox-iframe"><?php the_title(); ?></a></h3><br>             <p class="italic"><?php the_date(); ?></p>             <p><?php echo substr(get_the_content(),0,600).'...'; ?></p>         </li>     <?php } else if( $wp_query->current_post > 0 && $wp_query->current_post < 5 ) { ?>         <li class="block">             <a href="<?php the_permalink(); ?>" class="fancybox-iframe"><?php the_post_thumbnail('blog'); ?></a>             <h3><a href="<?php the_permalink(); ?>" class="fancybox-iframe"><?php echo substr(get_the_title(),0,20).'...'; ?></a></h3><br>             <p class="italic"> <?php the_date(); ?></p>             <p><?php echo substr(get_the_content(),0,70).'...'; ?></p>         </li>     <?php } else { ?>         <li class="block">             <a href="<?php the_permalink(); ?>" class="fancybox-iframe"><?php the_post_thumbnail('blog'); ?></a>             <h3><a href="<?php the_permalink(); ?>" class="fancybox-iframe"><?php the_title(); ?></a></h3><br>              //is displayed here date              <p class="italic"><?php the_date(); ?></p>             <p><?php echo substr(get_the_content(),0,600).'...'; ?></p>         </li>     <?php } ?>      <?php //get_template_part( 'content', get_post_format() ); ?>  <?php endwhile; ?> 

code css:

.italic{font-style:italic;cursor:pointer;} 

i put picture see how code on front page , on second page. http://i60.tinypic.com/2dcd6rt.jpg

you can me solve problem?

thanks in advance!