Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіеііные\\" » основіііные\\" (Expand Search), основеііные\\" (Expand Search), основныеііные\\" (Expand Search), основііеііные\\" (Expand Search), основеіеііные\\" (Expand Search)
основіні\\" » основні\\" (Expand Search), основі\\" (Expand Search), основііні\\" (Expand Search), основеіні\\" (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 основіеііные\\\") OR основіні\\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основіеііные\ ) OR основіні\ )) OR (\ ґрунтова основ\ )).