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)
основіные\\" » основные\\" (Expand Search), основііные\\" (Expand Search), основеіные\\" (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 (основіные\\\" OR основіеные\\\"))) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основіе OR (основіные\ OR основіеные\ ))) OR (\ ґрунтова основ\ )).