Use site: in Google to narrow your results, and get you what you need faster! You can use site: to search within websites. Find the base URL of a site (commercialappeal.com, for example). In Google, type your keywords, then use site:commercialappeal.com. Google will only search within The Commercial Appeal. This can be done with any website, not just newspapers.
You can also use site:.gov to find only websites ending in .gov. Like this:

For more tips and tricks using Google, Google Scholar, and Wikipedia, work through the tutorial below!