החיפוש שביצעת - communication cohesion centres dimensions ((problems link) OR (problem link)) - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication cohesion » communication collections, communication control, communication cost
centres dimensions » central dimensions, countries dimensions, ceintric dimensions
cohesion centres » cohesion cities, collection centres, cohesion metric
problems link » problems list, problems life, problems like
problem link » problem linus, problem long, problem lang

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