Unified search across Teams SharePoint, Teams Chat and Group Messages

Hello,

Is there a unified search option to search across all Teams content in a specific team:

• Chats in public channels
• Content posted to the Teams SharePoint
• E-mail sent into Teams e-mail box ("Conversations" list item)

So far I've discovered that:

• Search from the search bar in Teams app only searches conversations
• Search in Teams SharePoint only searches SharePoint content - e.g. wiki, file uploads, but not conversations or e-mails
• Clicking on Conversations takes you to outlook web inbox

The overall purpose of this unified search is knowledge management - discover already discussed topics.