Numbers: Search spreadsheet by any word or partial string
I've created a searchable Numbers spreadsheet. Mostly, it uses a Find formula that returns TRUE (1) along with the use of Filters. In a search cell in one table, I can type the first word in a search (or just the first 1 or more letters of the first word) to automatically filter that word in a column list, in another table. Sometimes there are two words that I am searching for, but I can only remember the second word. If I search for the 2nd word, I get no results (e.g., "interest" vs "interest promotional").
What combination of formula and Filter can I use that will allow me to filter by either the first or the second word? Ideally, I would like to be able to search for any string of letters in the target, including spaces between words (e.g., "interest promotional", "interest", "promotional", "teres", "rest promot", "motional").
If you have a solution, thanks in advance.
Mac mini, macOS 12.7