החיפוש שביצעת - information ((documents protocol) OR (documents prototype)) description sources citrus~ - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
documents prototype » documents protection
description sources » description course, description logics, description causes
documents protocol » documents protection, documents project, documentation protocol
sources citrus » sources trust

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