Search box: Clear your search history
You can clear your search history from the Google Toolbar, Internet Explorer, or Firefox. To do so, follow the steps below for the search history you wish to clear:
Google Toolbar search box:
To clear your search history, click the drop-down arrow on the Toolbar search box, and click the Clear search history link
Internet Explorer search history
Open a new Internet Explorer window.
Click the Tools menu.
Select Internet Options.
On the General tab, click the Clear History button.
On the Content tab, click the AutoComplete button.
Click the Clear Forms button.
Click the OK button.
Firefox search history
Open a new Firefox window.
Click the Tools menu.
Choose Clear Private Data.
Make sure the 'Browsing History' and 'Saved Form and Search History' checkboxes are selected.
Click the Clear Private Data Now button.
my Open a new Firefox window.
Click the Tools menu.
Choose Clear Private Data.
Make sure the 'Browsing History' and 'Saved Form and Search History' checkboxes are selected.
Click the Clear Private Data Now button.
i hope this information helpful?
good luck