החיפוש שביצעת - communications convention data ((((dimension a) or (dimensions eu))) or (dimension et)) pattern* - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communications convention » communications connections, communication connection, communication conversation
convention data » conventional data, conversion data, convention hall
dimensions eu » dimensions key, dimensions des, dimensions _
dimension et » dimension fat, dimension ief, dimension _
dimension a » dimension _

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