Trigger search via an URL
Let's assume that you have a search bar placed on the following url: http://mywebsite.com/
To trigger the search there, you need to append the asp_id and asp_s query variables. First of all, check the search instance ID, you need it:
After knowing the search ID, you can construct the URL:
Just change the asp_id=1 to the search ID and the asp_s=phrase to the search phrase desired.