The Google search shows the most recent hits on userscripts.org for the specified search term. How was it done? Lets take a closer look at the search phrase:
This is the basic search phrase. The site: command followed by a web address tells Google that you only want to search that site, the keyword can consist of one or multiple terms. You can use boolean parameters like AND, OR as well in the query. If you would search for this Google would display similar results to those on the original website. To sort by date and time use the sidebar and switch from any time to another option, for instance past month. Please note that the search results are not sorted chronologically. Google places the most relevant result at the top. But since you have selected a different time range you can be sure that you only see results that have been created during that time frame. Users who want to see results from a specific day or custom time range can use the custom range option to filter the results.
The advanced search parameter can be helpful in numerous occasions. It can for instance be used if a site does not offer a search at all, or if the search is limited in functionality, for instance if there is no option to sort the results by date or time.