Springer (aka Springer Science+Business Media) is a global publishing company that publishes books, e-books and peer-reviewed journals in science, technical and medical publishing. Springer also hosts a number of scientific databases, including SpringerLink, Springer Protocols, and SpringerImages (Wikipedia).
To fetch entries from Springer, choose Search -> Web search, and the search interface will appear in the side pane. Select Springer in the dropdown menu. To start a search, enter the words of your query, and press Enter or the Fetch button.
The results are displayed in the import inspection window. In case an error occurs, it is shown in a popup.