The following tasks cannot be done using the user interface; these tasks can only be completed using the search REST APIs:
Create and delete a searchable field ranking list
Enable and disable cross-field matching
Enable different types of partial matching
Specify snippet sizes
Select modules that sort search results as part of a relevance ranking strategy
Create keyword redirects
Configure locales, search term wildcards, and spelling dictionaries
See Extending Oracle Commerce Cloud Service for more information.