Facebook shows you advertisements of those companies and products
based on this data, which you like or who you need. The purpose of this record
is to provide you with a better search result. You can also delete this data if
you wish. For this you have to follow these steps:
Step 1: Go
to your profile page and select 'View Activity Log' in the Activity Log. Next
to the cover image, you will see an option.
Step 2:
After clicking on the Activity Log, you will be able to see all your
activities. This is where the option of more will appear.
Step 3:
After clicking on this option, you will see a lot of filters and in this list,
you will also see a Search tab.
Step 4: All
the search items you have searched for under search tab will show up in time.
Step 5: This
is where you will see a clear search option. You can clear your search history
by clicking on it.