Perhaps you should try some spelling variations:
concurrent programming » concurrent programs, constraint programming, concurrent program
developing concurrent » developing coherent, developing concepts, modelling concurrent
datafication 2.3.3 » datafication 3.2.2, datafication 3.5, gasification 4.3.3
2.3.3 developing » 2.3.1 developing, 2.5.3 developing, 4.3.3 developing

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