Modifying your email alerts frequently can also help you in your research, here are the steps to follow:
Go to Vivastreet and login to your account
Once you are in, click on the tab "My email alerts". You will see all of them straight away
Click on the blue link "Edit" under the alert you wish to change
A pop-up window will appear and you can proceed to the modification
After you finish, hit the "Edit" button
Now, wait while the system does the search for you and you will receive an email if there is a match published on the site. Be patient and good luck!