Similar to NSPortal, you can search for "Рамзаева 3 класс поурочные" to find shared files from other teachers. Common Book Titles to Look For:
A major social network for educators where teachers frequently upload their own personal lesson plans based on Ramzaeva's curriculum. ramzaeva 3 klass pourochnye skachat
You can find and download these materials (often in PDF or Word format) through several educational resource portals. Here are the most reliable types of sites to check: Similar to NSPortal, you can search for "Рамзаева
Методическое пособие к учебнику Т.Г. Рамзаевой (Methodological guide for T.G. Ramzaeva's textbook). Similar to NSPortal
When looking for a "paper" or downloadable file, add "filetype:pdf" or "filetype:doc" to your search query in a browser to find direct document links.