If not all codes are displayed, it might be that your version of MAXQDA is not up to date. From MAXQDA 2020.1 it is possible to organize codes from any level of the code system hierarchy. In earlier versions of MAXQDA only codes with a maximum of 2 subcode levels can be used for creative coding. You can read more about this here:
Creative CodingCreative Coding: Not all codes are displayed
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