החיפוש שביצעת - communication education methods session ((((du line) or (du lei))) or (((d line) or (dr ling))))~ - חזר ריק.

אולי כדאי לנסות איות אחר או כתיב מלא:
communication education » community education, communication communication, communication information
education methods » educational method, evaluation methods, estimation methods
methods session » methods section
du line » dual line, du livre, du lifei
dr ling » de ling, er ling
du lei » fu lei, mu lei
d line » 2d line, 3d line, d ling

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