To search a particular Twitter account, first enter the phrase "from:" followed by the account name into the search bar on Twitter.com. Then click "Search" to see all mentions, tweets, and media from the account.
To refine the search results, click "Advanced search" located underneath Search filters on the upper right of the results page, or click "More options" and then click "Advanced search".
Fill in the appropriate fields to further narrow down the search results.
Enter your search into the search bar on twitter.com. Click Advanced search , located underneath Search filters on the upper right of your results page, or click More options and then click Advanced search. Fill in the appropriate fields to refine your search results (see below for some helpful tips). Click Search to see your results
How to use advanced search – find Tweets, hashtags, and more
First, go to your search bar and type in the phrase, "from:," followed by the account name.
Click "Search," and then you will have all mentions, tweets, and media from the account you searched.
How to Search Tweets Using Twitter Advanced Search
You can use Twitter's advanced search tools to search through a specific user's tweets ... for seeing the general consensus on a topic, or finding an account. ...
How to Search Through All of Someone's Tweets
Example: @Twitter · sent in reply to @Twitter Example: @SFBART @Caltrain · mentions @SFBART or mentions @Caltrain