Find What You Need
Find resources using the search box located at the top of the Dashboard \ Browser.
The search will look across multiple subscription and is a configurable setting. Search box is always present and can be easily accessed with the shortcut combo "G" + "/".
Browse Through Resources
Most common way of accessing resources via the All Resources link on the Dashboard
From the all resources section or any group of resources you can act on multiple resources.
Organize resources using tags: Tags allow you to annotate your resources with information that you can later use to organize those resources logically. Tags also show up on your billing data so you can use them for both resource and cost management.
Reference: Get the Most out of Azure Portal Experience