We are seeing this issue since we start working with Kore that utterances in Spanish are not being recognize and instead we have to work with patterns and traits, but as the documentation says defined all the utterance as you can and only use patterns for tune the intelligence.
We have been testing and it recognize the utterance doing one of this two solutions:
Create the chatbot from the scratch in spanish and import the utterances
2.- Create the chatbot in english and then enabled the spanish language and start defining utterances in the platform.
Here are some other examples from the chatbot that we created in spanish and defined the utterance