Is there a way to stop the Nokia C6-00 cellphone from closing random applications?

When the nokia c6-00 phone runs low on memory it will close random applications that are running. This is very annoying, because sometimes when I am browsing the internet, the internet will close itself with no warning. then I will realize that all the other apps that were running are also not running. I would like to know if there is a way to stop this from happening.