Perhaps you should try some spelling variations:
"communication and discourse practic-es" » "communication and discourse practical-es" (Expand Search), "communication and discourse practices-es" (Expand Search)
"communicative and discourse practicesalesal-es" » "communicative and discourse practicalesalesal-es" (Expand Search), "communicative and discourse practicesesalesal-es" (Expand Search), "communications and discourse practicesalesal-es" (Expand Search)

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