How do you search through a spreadsheet data (on the website) while using an IFRAME to direct it to the website?

The IFRAME is set and the backend is fine but we are having trouble getting a search bar on the website we are using. We've tried a few different ways but none have worked so far.Here is the IFRAME:

<iframe id="frame" src=";single=true&amp;widget=true&amp;headers=false&amp;chrome=false">