Perhaps you should try some spelling variations:
optical astronomy » spherical astronomy, positional astronomy
astronomy sergey » astronomy survey, astronomy surveys, astronomy seven
nomo nautical » some nautical, hoc nautical, logs nautical
patrick moon » patrick moore, patrick mein, patrick mons
moon optical » ion optical, non optical, main optical
nos nautical » logs nautical, hoc nautical, some nautical
bas nautical » task nautical, a nautical, board nautical
patrick nomo » patrick nolan, patrick bond, patrick allo
patrick nos » patrick n, patrick corsi, patrick nolan
patrick bas » patrick case, patrick bray, patrick a

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