The rules editor in DTM features data elements search suggestions and autocomplete:
![1288404_pastedImage_0.png 1288404_pastedImage_0.png](/t5/image/serverpage/image-id/20847i63C401E6A98BCAC8/image-size/large?v=v2&px=999)
Currently it seems that the feature is not available in the condition editor or in the rules editor (although it is possible to select the DEs set using the db icon):
![1288430_pastedImage_2.png 1288430_pastedImage_2.png](/t5/image/serverpage/image-id/20848i94AEAB6B616109A4/image-size/large?v=v2&px=999)
![1288405_pastedImage_1.png 1288405_pastedImage_1.png](/t5/image/serverpage/image-id/20849i74AAC2A815B2A6D1/image-size/large?v=v2&px=999)
It could be worthy adding that feature.