Changing haver when this means "to exist" with ter ("to obtain"): Tem muito problema na cidade ("There are several complications in town") is much more Regular in speech than Há muitos problemas na cidade. The ease of flagging a bus and acquiring on it (if there won't be any seats https://constico.com/userinfo.php?action=view&mod=space&username=renato.goodson-451692&com=profile