Remember that since several of these databases all come from Ebsco, you can do a combination-search of multiple databases at once. (You can't effectively use Subjects when combining databases, however.) Look for the Choose Databases link above the search box:
Use this tutorial to remind yourself of the "smart searching" strategies that can be used when searching almost any library database. These strategies work on Google too!
As well, on Google, use site limiting to limit only to the more reliable websites -- often .gov or .edu sites:
For example: hospital health care technology site:.gov
hospital health care technology site:.edu
NOTE: No space within the site:.gov part! This will limit to only sites with a .gov URL.