Hitachi Content Platform v8.1.2 documentation is now browsable and navigable online. You can send links pointing to the exact documentation and search it.
Consider bookmarking these chapters:
You can use the Hitachi Vantara Knowledge search engine and it's built-in filtering. To quickly filter a search to 8.1.2 documentation you can also use a Google site search: https://www.google.com/search?q=your_query_here+site%3Aknowledge.hitachivantara.com%2FDocuments%2FStorage%2FContent_Platform%2F8.1.2%2F