החיפוש שביצעת - communication case bai conventional diffusion like - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
conventional diffusion » convection diffusion, rotational diffusion, dimensional diffusion
communication case » communication channels, communication culture
bai conventional » a conventional, i conventional, al conventional
diffusion like » diffusion linear, diffusion flame, diffusion diane
case bai » case base

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