Perhaps you should try some spelling variations:
основііе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіііе\\" (Expand Search), основеііе\\" (Expand Search)
основііееіные\" » основіеіные\" (Expand Search), основееіные\" (Expand Search), основніеіные\" (Expand Search), основіііееіные\" (Expand Search), основеііееіные\" (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 (основііе\\\" OR (основіе\\\" OR основііееіные\\"))) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова (основііе\ OR (основіе\ OR основііееіные ))) OR (\ ґрунтова основ\ ))~.