Try Documentalist,
my app that offers fast, offline access to 190+ programmer API docs.
- http://osxnotes.net/spotlight.html
- http://jeromyanglim.tumblr.com/post/34813195534/using-mdfind-to-search-using-spotlight-on-the
- http://www.macosxtips.co.uk/index_files/terminal-commands-for-improving-spotlight.php
- http://0xfe.blogspot.com/2006/03/using-spotlight-from-os-x-commandline.html