Villa have been on dire form since the start of the season, and they currently sit four points away from safety, having failed to win since the opening day of the new term.
Their poor sequence of results, caused Sherwood to test out a 3-5-2 formation against Stoke City, but the tactical change didn't have the desired impact.
Villa lost 1-0 to Stoke in-front of their own fans, but Sherwood says that this display has not put him off making changes to their formation in the future.
"I keep changing the systems and changing the formations in search of that. On Saturday against Stoke it wasn't there. We need to find it," he said.
"I will be searching for the right formation and the right players to play in it.
"At the moment I think it's only right that I keep changing it because we're not finding the wins.
"I'd love to get that victory and keep with the same side for the next four or five weeks. Unfortunately I haven't got that luxury. I am still learning."
The pressure is growing on Villa to start picking up some points, and they will have to work hard on the training ground over the international break to improve.
The Claret and Blues have been far too easy to play against this campaign, with many of their new players taking time to settle in.
Villa's performances within matches have been very inconsistent, and unless they find a way of picking up wins, then they could be in danger of being stuck in a relegation battle.