Perhaps you should try some spelling variations:
основііе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіііе\\" (Expand Search), основеііе\\" (Expand Search)
основііеные\\" » основіные\\" (Expand Search), основеные\\" (Expand Search), основніные\\" (Expand Search), основіііеные\\" (Expand Search), основеііеные\\" (Expand Search)
основіеные\\" » основные\\" (Expand Search), основііеные\\" (Expand Search), основеіеные\\" (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 (основііе\\\" OR (основіеные\\\" OR основііеные\\\"))) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основііе\ OR (основіеные\ OR основііеные\ ))) OR (\ ґрунтова основ\ ))~.