Bitbucket's lack of a code search feature is a serious disadvantage, specially for large organizations. The enhancement request has turned into a ranting thread[1]
[1] https://bitbucket.org/site/master/issue/2874/ability-to-sear...
[1] https://bitbucket.org/site/master/issue/2874/ability-to-sear...
The nice thing is bitbucket has an issue tracker for the site. I am sure Github would have a similar list of pet peeves if it had a way to publicly track feature requests.