To redirect a url in your blog, follow these steps:
1. Go to blogger's dashboard
2. Click on Settings.Look for errors and redirections
3. Edit Customs redirects, add new redirect, In the from field, input a canonical link of a url that is missing in your site, e.g www.typearls.com.ng/index.html and in the to field, input the url you want the link to be redirected to e.g www.typearls.com.ng.
In the above example, a search for www.typearls.com.ng/index.html redirects to www.typearls.com.ng thereby keeping the search results on your site and preventing loss of traffic.
4. You can add and edit as many non-canonical links/urls to be redirected as you want.
Use this free site auditing tool to find the missing urls on your site.