Perhaps you should try some spelling variations:
основеіе\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіе\\" (Expand Search), основее\\" (Expand Search), основніе\\" (Expand Search), основіеіе\\" (Expand Search), основееіе\\" (Expand Search)
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основніііііе\" » основініііііе\" (Expand Search), основеніііііе\" (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 ((основеіе\\\" OR основеі\\\") OR основніііііе\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеіе\ OR основеі\ ) OR основніііііе )) OR (\ ґрунтова основ\ ))~.