Perhaps you should try some spelling variations:
practical astronomy » optical astronomy, positional astronomy
astronomy sergey » astronomy survey, astronomy surveys, astronomy seven
moyes practical » modes practical, movies practical, moraes practical
mayen practical » man practical, modern practical, seven practical
patrick moyes » patrick keyes, patrick mons, patrick moore's
patrick mayen » patrick bayer, patrick madan, patrick maxton
nos nautical » logs nautical, hoc nautical, some nautical
patrick nos » patrick nomo, patrick bas, patrick n

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