Perhaps you should try some spelling variations:
основеіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеіе\\" (Expand Search), основееіе\\" (Expand Search)
основіеііііе\\" » основііііе\\" (Expand Search), основеіііе\\" (Expand Search), основнііііе\\" (Expand Search), основііеііііе\\" (Expand Search), основеіеііііе\\" (Expand Search)
основіеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основііеі\\" (Expand Search), основеіеі\\" (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 ((основеіе\\\" OR основіеііііе\\\") OR основіеі\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеіе\ OR основіеііііе\ ) OR основіеі\ )) OR (\ ґрунтова основ\ ))~.