Perhaps you should try some spelling variations:
основіе\" » основі\" (Expand Search), основе\" (Expand Search), основные\" (Expand Search), основііе\" (Expand Search), основеіе\" (Expand Search)
основіеіііные\" » основііііные\" (Expand Search), основеіііные\" (Expand Search), основныеіііные\" (Expand Search), основііеіііные\" (Expand Search), основеіеіііные\" (Expand Search)
основііные\\" » основные\\" (Expand Search), основіііные\\" (Expand Search), основеііные\\" (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 (основііные\\\" OR основіеіііные\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основіе OR (основііные\ OR основіеіііные ))) OR (\ ґрунтова основ\ )).