החיפוש שביצעת - communication cohesion ((basics dimensions) or (based dimensions)) ((rate levels) or (wage levels)) - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication cohesion » communication collections, communication control, communication cost
basics dimensions » basic dimensions, physics dimensions, basics extensions
based dimensions » based dimension, basic dimensions, based dimensioning
rate levels » water levels, state levels, trace levels
wage levels » age levels, safe levels, damage levels

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