Perhaps you should try some spelling variations:
developing concurrent » developing coherent, developing concepts, modelling concurrent
concurrent programs » current programs, current program
datafication 2.5.3 » datafication 2.3.3, datafication 3.2.2, datafication 3.5
2.5.3 developing » 8.5.3 developing, 2.3 developing, 2.2.1 developing

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