You can search on metadata from any of the metadata sets in Drive.

To search on metadata:

1. Access the Search window in Drive.
2. Click Advanced Options.
   Advanced options appear.
   
3. In the drop-down list, choose Metadata.
   A Conditions defined field appears.
   
4. To define conditions, click + to the right of the field.
   A Generate Metadata Conditions window opens. Add search conditions in this window.
   
5. In the drop-down list, choose a metadata type.
   A drop-down list of the metadata type's attributes appears below it.
   
6. Choose an attribute.
   A field for the attribute value appears below it.
   
7. Enter a value in the attribute field, and click Add.
   The value is case-sensitive.
8. Add any number of additional conditions, and click Apply.
   The search results are returned.