How likely is it a 5 person group can find a hostel on the day in amsterdam ?

Basically there's 5 of us going to Amsterdam next weekend and all the hostels in / around city center have sold out online for the days. How likely is it we will be able to find a hostel if we walk around?

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).