In Engpsh, you can say "asking for a raise" or "requesting a pay increase" when referring to asking for a salary increase in the workplace. Here are some examples:

I'm thinking of asking for a raise. Do you have any tips?
I need to have a difficult conversation with my boss about requesting a pay increase.
I'm not sure if it's the right time to ask for a raise, but I feel pke I deserve one.

It's important to approach the topic carefully and professionally, and to make a strong case for why you feel you deserve a raise. It can also be helpful to research the going rate for your job in your area and to have specific examples of your contributions and accomppshments to back up your request.