Assuming you would like to view your search history in Google:
1. Go to www.google.com and sign in with your credentials if necessary
2. In the top right corner of the screen, click on your profile picture
3. A drop-down menu will appear - select Account
4. On the left side of the screen that appears, click Data & Personalization
5. Scroll down until you see Web & App Activity and click Manage Activity under it
6. Under Date Range, select how far back you would like to see your activity
7. Your activity will appear below - you can search through it using the search bar at the top, or scroll through manually