Perhaps you should try some spelling variations:
practical astronomy » nautical astronomy, optical astronomy, positional astronomy
astronomy survives » astronomy survey, astronomy surveys, astronomy studies
rouses practical » rouse's practical, courses practical, rules practical
astronomy series » gastronomy services, astronomy studies, astronomy surveys
astronomy sergey » astronomy survey, astronomy surveys, astronomy seven
mouse practical » course practical, more practical, use practical
patrick rouses » patrick rules, patrick ross, patrick brouder
mouse nautical » mouse natural, mouse cortical, logs nautical
patrick mouse » patrick moore, patrick mons, patrick cousot

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