How to present text when no results in search by filters

I have a number of drop down lists where the user is asked to select from to search criteria on my database. When the search is matching some of the criteria the user is presented with what he has searched for. But if the criteria is not matched the page remains empty. I would like to present text linked to other pages when the user does not find what he wants, such as “no records found please change criteria or subscribe to…”

Thanks

Attaching the code for ease of reference.