Perhaps you should try some spelling variations:
astronomy sergey » astronomy survey, astronomy surveys, astronomy seven
astronomy series » gastronomy services, astronomy survives, astronomy studies
moore spherical » smooth spherical, sobere spherical, pole spherical
moore nautical » board nautical, mile nautical, moore national

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