Perhaps you should try some spelling variations:
astronomy surveys » astronomy survey, astronomy surveying, astronomy survives
patrick moraes » patrick moore's, patrick moore, patrick morgan
patrick moyes » patrick keyes, patrick mayen, patrick mons

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