https://www.experoinc.com/insights/blog/designing-and-developing-next-generation-free-text-search
Designing and Developing Next-Generation Free-Text Search | Expero Blogs
What does the term “search” mean to you?
free text searchnext generationdesigningdevelopingblogs
https://developer.paypal.com/api/invoicing/v2/definitions/recurring_series_free_text_search_fields
recurring_series_free_text_search_fields - Invoices v2 | PayPal Developer
Supported recurring invoices series free text search fields.
free text searchpaypal developerrecurringseriesfields