Perhaps you should try some spelling variations:
astronomy surveying » astronomy during
practical astronomy » nautical astronomy, optical astronomy, positional astronomy
astronomy survives » astronomy survey, astronomy studies
astronomy surveys » astronomy survey, astronomy sergey, autonomy survey
moraes practical » more practical, modes practical, moral practical
movies practical » devices practical, modules practical, reviews practical
moocs practical » mics practical, abcs practical, ics practical
patrick moraes » patrick moyes, patrick moore's, patrick moore
patrick movies » patrick moyes, patrick moore's, maverick movies
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 astronomy survives ) OR ((( the patrick moraes practical astronomy surveys ) OR ( the patrick movies practical astronomy surveying )))).
• Adding a wildcard symbol may retrieve word variants: (( the patrick moocs practical astronomy survives ) or ((( the patrick moraes practical astronomy surveys ) or ( the patrick movies practical astronomy surveying ))))*.