So how we can remove search history of our account?
The answer you can find in this post.
Delete Google search history
Also Read: Delete all Tweets with one Click
Delete Facebook search history
Facebook is tracking everything you had searched. And to delete Facebook search history go to Activity Log by pressing on lock icon at the top of Facebook account and press on "Use Activity Log". After select "Search" from the left side.
Now you can clear search history easily by pressing "Clear Searches" from the top.
Delete Twitter search history
Twitter tracks the searches on your mobile, so to delete it from your Android or iOS device, press on the magnifying glass search icon and to delete last queries below of "Recent searches", tap the Clear.
To delete your location information navigate to Settings -> Security-> Privacy. And click on the Delete all location information button.