Go to the Google Translate website or open the Google Translate app on your device.
Click or tap on the three horizontal lines in the top left corner to open the menu.
Select My Activity from the menu.
You will see a list of all your previous translations, organized by date.
You can search for a specific translation by using the search bar at the top of the page.
To delete a translation, click or tap on the three vertical dots next to the translation and select Delete.
It's important to note that Google Translate also stores your translation history across all your devices, so you can access your previous translations from any device where you are signed in with the same Google account.
It's also worth mentioning that Google Translate has a feature called Tap to Translate which allows you to translate text within other apps on your device, this feature also stores your translations and you can access them from the My Activity section.
In summary, Google Translate does store your translations and you can access them by going to the My Activity section of the website or app, and you can also access them across all your devices where you are signed in with the same Google account.