You can click on "More search tools" on the left sidebar and below "Any time" choose "Past month," "Past year," etc., or "Custom range..." As a Rails developer

You can click on "More search tools" on the left sidebar and below "Any time" choose "Past month," "Past year," etc., or "Custom range..." As a Rails developer I use "Past year" constantly because articles and docs from two years ago are utterly outdated.