החיפוש שביצעת - communication cohesion a extension ((((granule layer) or (gemnte layers))) or (granite layer)) - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication cohesion » communication collections, communication control, communication cost
granule layer » granular layers, granite layers, granular laser
gemnte layers » granite layers
granite layer » granite layers, granite under
a extension » _ extension, 3 extension, 5 extension
cohesion a » cohesion _

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