Perhaps you should try some spelling variations:
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основіені\" » основіні\" (Expand Search), основені\" (Expand Search), основныені\" (Expand Search), основні\" (Expand Search), основііені\" (Expand Search), основеіені\" (Expand Search)
основііееіііеные\" » основіііееіііеные\" (Expand Search), основеііееіііеные\" (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 основііееіііеные\\") OR основіені\\")) OR (\\\"ґрунтова основ\\\"))\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіе\ OR основііееіііеные ) OR основіені )) OR (\ ґрунтова основ\ )).