החיפוש שביצעת - communication constructions ((solving decision) or (making decision)) ((gate over) or (waste open)) - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication constructions » communication constructing, communication constructive, communication abstractions
solving decision » building decision, modeling decision, using decision
making decision » making decisions, marketing decision, using decision
gate over » rate over, state over, waste over

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