Perhaps you should try some spelling variations:
основіеа\\" » основі\\" (Expand Search), основе\\" (Expand Search), основіа\\" (Expand Search), основеа\\" (Expand Search), основныеа\\" (Expand Search), основііеа\\" (Expand Search), основеіеа\\" (Expand Search)
основііе\" » основі\" (Expand Search), основе\" (Expand Search), основні\" (Expand Search), основіііе\" (Expand Search), основеііе\" (Expand Search)
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (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 (основіеа\\\" OR (основііе\\" OR основіе\\\"))) OR (\\\"ґрунтова основ\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основіеа\ OR (основііе OR основіе\ ))) OR (\ ґрунтова основ\ ))*.