Can the jot forms submitted on the website be retrieved if we have not received them via the email.

Yes, you can view all submission on Submission Page of your account. Inside of this guide you can find how to do it: https://www.jotform.com/help/269-How-to-View-and-Export-Form-Submissions 

Are you not receiving email Notifications when your forms are submitted? I have checked email address of your account and all submissions were successfully sent to your email address. 

You can also check the email logs:

http://www.jotform.com/help/293-How-to-view-all-your-form-Email-History 

Please check spam, trash and bulk folders and if you find them there please mark them as not spam in order to not go into that folder any more.

Also forms that are embedded on the webpage you provided are created on account asal66. 

Hope this will help. Let us know if you need further assistance.