Hello @Maryam.elshazly, firstly, welcome to the TWB community! 
Thanks for reaching out here 
I had a look at your profile and it looks all good!
When you cannot see any tasks in the homepage, it means that at the moment you are looking there are no available tasks, but no worries - we post new tasks all the time, so keep an eye out 
I also see you set up your task email notifications settings to receive daily updates, so when new tasks become available for you, you’ll be notified 
If you haven’t yet, please take a look at our Translator’s Toolkit, where you’ll find plenty of useful resources, or take our Introduction to Humanitarian Translation for the TWB Community - it’s a great way to get started with TWB 