To Search old tweets posted years ago easily, you must go for TrackMyHashtag.
TrackMyHashtag is an AI-driven paid event, @mention, and hashtag tracking Twitter analytics tool. It can help you search and analyze the Twitter history of any public Twitter account.
To get tweets easily, just follow these simple steps :
1. Just go to the TrackMyHashtag website and click on historical data. On this page, you will find a Request data form.
2. Fill the form stating the specifics for your Twitter archive requirements.
Once you have filled the form, our team will get back to you with the specifics and pricing for the Twitter archive.
I hope it helps you! Thank you