Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіееіііііе\\" » основіеіііііе\\" (Expand Search), основееіііііе\\" (Expand Search), основныееіііііе\\" (Expand Search), основііееіііііе\\" (Expand Search), основеіееіііііе\\" (Expand Search)
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (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 ((основіе\\\" OR основеі\\\") OR основіееіііііе\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основеі\ ) OR основіееіііііе\ )) OR (\ ґрунтова основ\ ))~.