Changing haver when this means "to exist" with ter ("to obtain"): Tem muito problema na cidade ("There are plenty of challenges in the town") is far more Regular in speech than Há muitos problemas na cidade. Should you be crossing a land border and intend to return to Brazil (e.g. https://extraordinarz.com/profile.php?from=space&action=view&do=profile&op=userinfo&userinfo=dolores_porteous.451692