<p>At this point you can politely email each of the places you applied and write something like “I applied and wasn’t able to earn your nod. I’ll be applying to some other opportunities and I would deeply appreciate any words of advice you might have on how to be a stronger candidate for internships in this field.”</p>
<p>You might get zilch back – but if someone tells you your wardrobe is ghastly or that you are on hyperspeed talk mode in the interviews, be truly grateful for their words of wisdom. Truthfully, they will be pleasant (if they respond at all) so amp up the volume. If they say “Do slow down a bit with your answers” then translate that as “You sounded like Alvin the Chipmunk”. </p>
<p>Sometimes you just have to keep fishing.</p>