The Happeo main search is extremely powerful. It searches from your channels, posts, organisation users, Pages, Google Drive, Google Sites, Google Calendar and Gmail.
If you want to do a wide search type something into the search bar and press enter. This will show you top results. By toggling the different sections you can see more results from the different sections. You can also filter the search results using the Filter by section on the right hand side of the search results. These filters are dynamic and will only show filters that are relevant to the search results.
A little more information on the different search sections:
Searches through Happeo page content that you have access to view. The search will index all content within widgets on pages along with any hashtags that have been added to pages.
Searches through all Happeo Channels that you are either a member of, can join or can request to join. From the search you can go to the Channel, join a Channel or request to join a Channel.
Searches through all People and Groups within Happeo. Within the filters you can choose if you would like to see People or Groups in the search results
Searches through all Posts and Comments within Happeo Channels. Search results are based on Channels that you are a member of.
Searches all files within Happeo along with all Google Drive files that you have access to.
Most recent: Will show all files with file names that include the search term
Best match: Will show all files with file names and content that includes the search term
Sharing shows you the sharing permissions of the files.
Public means - Sharing is set to public in some way. So the document has one of these settings on.
External means - A user from outside of your organization has access to this document
Internal means - Only users from your orginization have access to this document
Domain shared files means - Files that are shared with your entire orginization's domain
Searches all of your emails to find either subject or content that includes the search term. From the search you are able to open the email directly.
Searches all calendar events containing search term. From the search you are able to open the calendar event directly.
You can also share each search results. This can be done by clicking "Share this search" and will save the search URL to your clipboard so you can send it others.
If you would like to know how Search results are indexed read this article.