Perhaps you should try some spelling variations:
основеі\\" » основі\\" (Expand Search), основе\\" (Expand Search), основні\\" (Expand Search), основіеі\\" (Expand Search), основееі\\" (Expand Search)
основеіііе\" » основіііе\" (Expand Search), основеііе\" (Expand Search), основніііе\" (Expand Search), основіеіііе\" (Expand Search), основееіііе\" (Expand Search)
основеіііеіе\\" » основіііеіе\\" (Expand Search), основеііеіе\\" (Expand Search), основніііеіе\\" (Expand Search), основіеіііеіе\\" (Expand Search), основееіііеіе\\" (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 основеіііе\\") OR основеіііеіе\\\")) OR (\\\"ґрунтова основ\\\"))~\\"\"".
• Removing quotes may allow a broader search: ((\ ґрунтова ((основеі\ OR основеіііе ) OR основеіііеіе\ )) OR (\ ґрунтова основ\ ))~.