Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіеіныееа\\" » основііныееа\\" (Expand Search), основеіныееа\\" (Expand Search), основныеіныееа\\" (Expand Search), основііеіныееа\\" (Expand Search), основеіеіныееа\\" (Expand Search)
основныені\" » основные\" (Expand Search), основіныені\" (Expand Search), основеныені\" (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 основныені\\") OR основіеіныееа\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основныені ) OR основіеіныееа\ )) OR (\ ґрунтова основ\ )).