Perhaps you should try some spelling variations:
основіе\" » основі\" (Expand Search), основе\" (Expand Search), основные\" (Expand Search), основііе\" (Expand Search), основеіе\" (Expand Search)
основіеные\" » основіные\" (Expand Search), основеные\" (Expand Search), основныеные\" (Expand Search), основные\" (Expand Search), основііеные\" (Expand Search), основеіеные\" (Expand Search)
основіееа\\" » основіеа\\" (Expand Search), основееа\\" (Expand Search), основныееа\\" (Expand Search), основііееа\\" (Expand Search), основеіееа\\" (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 (основіеные\\" OR основіееа\\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основіе OR (основіеные OR основіееа\ ))) OR (\ ґрунтова основ\ )).