General Brazilian
problemas comuns
Standard usage throughout Brazil
Rio de Janeiro
problemas comuns / problemas tipo
Informal addition of 'tipo' (like/such as) sometimes used colloquially
São Paulo
problemas comuns / problemas corriqueiros
More formal alternative using 'corriqueiros' in business contexts
Portugal
problemas comuns / problemas vulgares
Both terms used; 'vulgares' means common/ordinary in Portuguese