I am trying to find a fix to this problem as well. When I type in Califo in my site nothing comes up.
But if I type in California:
products come up.
I would really love for it to work with partial words.
You would take the code sample provided and use it with your themes search template (ex: search.liquid) adapting the code as necessary.
If you need this customization contact me at firstname.lastname@example.org with details for pricing
@ecoislandpolska this is for the online store that your customers use to search NOT for google search results, that is SEO and see this forum for help: