Yes, we have airline combinations that allow travel around the world. Simply select the multi-stop option on the search panel and enter your preferred destinations.
For example, you are flying Brisbane to London, but want to stop in the USA on the way over, and a stop in Europe and Asia on the way back. You could select Brisbane to Los Angeles as your first choice, and then you could select Los Angeles to London, and then London to Singapore, and finally Singapore to Brisbane.
Additional flight sectors can be added via selecting 'add a flight'.