Perhaps you should try some spelling variations:
основіеііеіііе\" » основіііеіііе\" (Expand Search), основеііеіііе\" (Expand Search), основныеііеіііе\" (Expand Search), основііеііеіііе\" (Expand Search), основеіеііеіііе\" (Expand Search)
основіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основные\\" (Expand Search), основііе\\" (Expand Search), основеіе\\" (Expand Search)
основныеіе\" » основные\" (Expand Search), основіныеіе\" (Expand Search), основеныеіе\" (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 ((основіеііеіііе\\" OR основіе\\\") OR основныеіе\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основіеііеіііе OR основіе\ ) OR основныеіе )) OR (\ ґрунтова основ\ ))~.