Would you like to save time and be able to Search for Custom Fields and Objects in your Salesforce environment? If so, Enable Advanced Setup Search (Beta).
Go to Setup -> Customize -> User Interface, and under Setup check Enable Advanced Setup Search (Beta).
You will search by going to your Sidebar search and entering at least 3 characters. You will then be prompted to press Enter for Advanced Setup Search:
Along with Custom Objects and Fields, it will also search Groups, Permission Sets, Profile, Roles, and Users.