Similar to NSPortal, you can search for "Рамзаева 3 класс поурочные" to find shared files from other teachers. Common Book Titles to Look For:
Методическое пособие к учебнику Т.Г. Рамзаевой (Methodological guide for T.G. Ramzaeva's textbook). ramzaeva 3 klass pourochnye skachat
Поурочные разработки по русскому языку: 3 класс (Lesson developments for the Russian language: Grade 3). Similar to NSPortal, you can search for "Рамзаева
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. Ramzaeva's textbook)
The "First of September" festival site contains many individual lesson outlines and full curriculum maps for Grade 3.
It looks like you are searching for (pourochnye razrabotki) for T.G. Ramzaeva's 3rd Grade Russian Language curriculum. These are often used by teachers to follow the textbook structure step-by-step.
A major social network for educators where teachers frequently upload their own personal lesson plans based on Ramzaeva's curriculum.