For more personalized assistance around code customization, you can also consider hiring a professional from our list of recommended contractors: https://toolset.com/contractors/
The [wpv-filter-search-box] shortcode will just create a search input field, without any source selection or form, so I'm afraid it isn't going to be very useful for your case.
To get you started in the right direction, here are some guides on creating search with autocomplete feature: hidden link hidden link hidden link
This ticket is now closed. If you're a WPML client and need related help, please open a new support ticket.