Recover deleted items in Exchange 2010 powershell

I need to recover multiple deleted items in Exchange 2010 powershell. I tried following the guide from the link below but unable to have it restored. Is there any other way of doing it?
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Are you trying to recover deleted mailboxes from the database, or are you trying to recover items that have been deleted from a mailbox?

How were they deleted, and how long have they been deleted?
DhananjayTechnical ConsultantCommented:
Above mention link is to recover deleted item form particular or single mailbox.

If you want to recover delete mailbox refer below link :

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