You'll want to stay abreast of relevant new publications about your topic as you do your research and write your thesis or dissertation. Here are a couple of ways to do that.
Save your searches
Set up a personal (free) account in a database and then save your search. You can then periodically repeat the search, without having to re-formulate your search strategy.
Set up Alerts
Set up 'alerts' that will automatically notify you when new material of interest is published. You can choose to receive your alerts via e-mail or RSS feed. Choose the method that integrates best into your workflow.
Depending on the database, the following types of alerts are possible:
Consult the library's guide on "Current Awareness Alerts" to learn how.