Here is how I get the Search Tools tab to appear so that I can search for a recent date range. After navigating to the desired search folder or drive, click in the search box (upper right corner), a list of recent searches will appear below the box. Click one, then press enter; ignore the files that appear. Now the Search Tools tab and ribbon ... More @Wikipedia
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.