Perhaps you should try some spelling variations:
autonomous services » autonomous service, autonomous devices, autonomic services
moocs practical » mics practical, abcs practical, ics practical
astronomy seven » astronomy some, astronomy science, astronomy between
patrick moocs » patrick moore, patrick mons, patrick moyes

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: the patrick moocs practical ((autonomous services) OR (astronomy seven)).
• Adding a wildcard symbol may retrieve word variants: the patrick moocs practical ((autonomous services) or (astronomy seven))*.