You can save a (successful) search and receive alerts based upon the parameters of that search.
Generally, to save a search, you need a free account. Below, are the major database vendors with the accompanying instructions.
Ebsco
Sign into your account.
No account? To create an account:
a. Click on Sign In--located at the top of the web page.
b. Then Create an Account
Click Preferences--located at the top right of the web page
ProQuest
Sign into your account.
No account? To create an account:
a. Click on the symbol of a person—located top right of the web page
b. Sign into My Research.
c. Create a My Research Account
How to save a search
PubMed
Tutorial How to Save a Search
Create an RSS Feed of your search