If you have the Ubiquity Firefox extension installed, this page will prompt you to add the Dojo Learning search command to your Ubiquity command list.
To use the Dojo Learning command, simply activate Ubiquity with the key combination you have set (e.g., Ctrl+Space) and type 'dojo' followed by your search terms. For example:
dojo photography
This search results in the following output:
Enjoy!