I'm implementing a search function with API on my platform. And for some reason it works differently than in Zoho UI.

Let's examine querying for Estimates in Zoho system.

This is how Zoho search looks like in their UI: https://books.zoho.eu/api/v3/estimates

And this is the response:

NOTICE the search_criteria - it searches in "Estimates, Estimate Items, Estimate Contacts, Addresses and/or Custom Fields".

Now when I make the exact same request to API from my application 

I get this result:

NOTICE that it searches in completely different columns.

How can I control this? Searching just for the customer name and number isn't enough.