Whenever I'm in a folder which has pdf documents inside and a search a word in the search field in the finder the results are a total mess. It sometimes finds the words inside the pdfs and sometimes it doesn't. What is worse is that whenever I open a pdf with preview, it almost NEVER finds the word I'm looking. It just shows the loading sign and never return results. Any ideas? I don't think it's the indexing the spotlight does. It looks like a bug of preview.