Perhaps you should try some spelling variations:
optical astronomy » nautical astronomy, spherical astronomy
moore positional » aware positional, pure positional, whole positional
astronomy sergey » astronomy survey, astronomy surveys, astronomy seven
patrick moyes » patrick keyes, patrick mayen, patrick mons
moyes optical » modes optical, dyes optical, boxes optical
patrick more » patrick mkie, patrick mark, patrick marx
more optical » moire optical, core optical, more optimal

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 moore positional astronomy sergey ) OR ((( the patrick more optical astronomy sergey ) OR ( the patrick moyes optical astronomy sergey )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( the patrick moore positional astronomy sergey ) or ((( the patrick more optical astronomy sergey ) OR ( the patrick moyes optical astronomy sergey ))))".
• Adding a wildcard symbol may retrieve word variants: (( the patrick moore positional astronomy sergey ) or ((( the patrick more optical astronomy sergey ) OR ( the patrick moyes optical astronomy sergey ))))*.