Perhaps you should try some spelling variations:
основеііііііе\" » основііііііе\" (Expand Search), основеіііііе\" (Expand Search), основнііііііе\" (Expand Search), основіеііііііе\" (Expand Search), основееііііііе\" (Expand Search)
основеі\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіеі\" (Expand Search), основееі\" (Expand Search)
основеіеіе\\" » основіеіе\\" (Expand Search), основееіе\\" (Expand Search), основніеіе\\" (Expand Search), основіеіеіе\\" (Expand Search), основееіеіе\\" (Expand Search)
основ\\" » основі\\" (Expand Search), основе\\" (Expand Search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"\\"((\\\"ґрунтова ((основеііііііе\\" OR основеі\\") OR основеіеіе\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеііііііе OR основеі ) OR основеіеіе\ )) OR (\ ґрунтова основ\ ))~.