A sua busca - ((communication cohesion) or (communication collections)) based discussion use pattern* - não corresponde a nenhum registro.

Talvez deva tentar algumas variações de ortografia:
communication collections » communication applications, communication foundations, communication concepts
communication cohesion » communication control, communication cost, communication apprehension
based discussion » brief discussion
discussion use » discussion case, discussion usable, discussion based
use pattern » use patterns

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