Perhaps you should try some spelling variations:
practical astronomy » optical astronomy, positional astronomy
astronomy survives » astronomy survey, astronomy surveys, astronomy studies
rouses practical » rouse's practical, courses practical, rules practical
astronomy series » astronomy sergey, gastronomy services, astronomy studies
mouse practical » course practical, use practical, noise practical
more practical » some 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) OR (more practical)) astronomy survives ) OR ( the patrick rouses practical astronomy survives ))) OR ( the patrick mouse nautical astronomy series )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((( the patrick ((mouse practical) OR (more practical)) astronomy survives ) or ( the patrick rouses practical astronomy survives ))) or ( the patrick mouse nautical astronomy series ))".
• Adding a wildcard symbol may retrieve word variants: (((( the patrick ((mouse practical) OR (more practical)) astronomy survives ) or ( the patrick rouses practical astronomy survives ))) or ( the patrick mouse nautical astronomy series ))*.