Search results don't show content preview for some posts
Searching for destructors shows three empty posts, but going to them shows they actually have content. Attaching screen capture.
![captura de pantalla 2014-12-08 a la s 15 05 48](https://cloud.githubusercontent.com/assets/101927/5340342/e669ceea-7eeb-11e4-9464-acea5c2acf96.jpg)
