it will work with the "&selectProperties='ManagedPropertyName,ManagedPropertyName2,...'"
And that is, where your problem is. You are trying with the Display Name of the column and not the ManagedProperyName.
If you add a field (e.g: 'Last Review Date') the Sharepoint crawler will find/create a new crawled property. It will be named something like '...
Where do the users search from? From search center or from a site search? Please offer a screenshot about the error page.
Try to create a new search center and search from the new search center, compare the results.
Make sure search related service is started.
Make sure your Search service application is connected to web applications.
Navigate to ...