Perhaps you should try some spelling variations:
astronomy surveys » astronomy survey, astronomy surveying, astronomy survives
optical astronomy » spherical astronomy, positional astronomy
moocs nautical » moocs practical, hoc nautical, logs nautical
patrick moocs » patrick moore, patrick mons, patrick moore's
patrick moyes » patrick keyes, patrick mayen, patrick mons
moyes optical » modes optical, dyes optical, boxes optical

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 nautical astronomy surveys ) OR ( the patrick moyes optical astronomy surveys )).
• Adding a wildcard symbol may retrieve word variants: (( the patrick moocs nautical astronomy surveys ) or ( the patrick moyes optical astronomy surveys ))*.