Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіеіе\\" » основіеіе\\" (Expand Search), основееіе\\" (Expand Search), основніеіе\\" (Expand Search), основіеіеіе\\" (Expand Search), основееіеіе\\" (Expand Search)
основеіііііе\" » основіііііе\" (Expand Search), основеііііе\" (Expand Search), основніііііе\" (Expand Search), основіеіііііе\" (Expand Search), основееіііііе\" (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 ((основеі\\\" OR основеіеіе\\\") OR основеіііііе\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеі\ OR основеіеіе\ ) OR основеіііііе )) OR (\ ґрунтова основ\ ))~.