Cannot find any data at high latitudes?

[eyhl]

Hello. I tried using the interface.ipynb through docker in order to look at change detection at a specific Fjord in Greenland (lat: 71.648, lon: -52.361) during June 2017. However the interface cannot find anything. I know there exists imagery in this period of time. Can the lack of data be due to the fact that these images are taken in EW mode or is it some issue in the search engine behind the interface?
Thanks a lot, and by the way the docker stuff worked smoothly.