You can easily make changes to your Vizibility PreSearch any time. When you sign into www.vizibility.com, click on the "Update PreSearch" link in the upper left. That will take you to the wizard where you can make any changes to your search criteria.
When you are happy with your new search, click "Save & Update" to lock in the changes. The next time someone clicks your link they will see the new results
You can easily make changes to your verified Google results. Sign into Vizibility.com and click on the Find Me In Google tab.