This example is really useful while scraping Twitter. Suppose your social media manager uses bit.ly to encode links on Twitter. Let's say that during a Downtown LA campaign, she and her team posted a handful of Tweets with the hash "#dtla2017". Weeks later, you're trying to audit the tweets and don't want to bug everyone with your inquiry. Here's how to search within Twitter for anything with a bit.ly URL and a reference to the keyword "#dtla2017".
Suppose you want to track a Twitter contest promoted by a radio station that used bit.ly or goo.gl shortened links. You can always run this into Google Search: