Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеііііііе\" » основііііііе\" (Expand Search), основеіііііе\" (Expand Search), основнііііііе\" (Expand Search), основіеііііііе\" (Expand Search), основееііііііе\" (Expand Search)
основіні\" » основні\" (Expand Search), основі\" (Expand Search), основііні\" (Expand Search), основеіні\" (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 ((основеі\\\" OR основіні\\") OR основеііііііе\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеі\ OR основіні ) OR основеііііііе )) OR (\ ґрунтова основ\ ))~.