look into
US /lʊk ˈɪntuː/
UK /lʊk ˈɪntuː/

1.
investigar, examinar
to investigate or examine something, especially a problem or a complaint
:
•
The police are going to look into the matter.
A polícia vai investigar o assunto.
•
We need to look into why sales have dropped.
Precisamos investigar por que as vendas caíram.