Perhaps you should try some spelling variations:
"the patrick moore practical astronomy survives" » "the patrick moore optical astronomy survives", "the patrick moore practical astronomy surveys", "the patrick moore practical astronomy studies", "the patrick more practical astronomy survives", "the patrick moocs practical astronomy survives", "the patrick mouse practical astronomy survives"
"the patrick moore positional astronomy survives" » "the patrick moore positional astronomy surveys", "the patrick moore positional astronomy studies", "the patrick aware positional astronomy survives", "the patrick pure positional astronomy survives", "the patrick whole positional astronomy survives"
"the patrick moocs nautical astronomy survives" » "the patrick moocs nautical astronomy surveys", "the patrick moocs nautical astronomy studies", "the patrick moocs practical astronomy survives", "the patrick hoc nautical astronomy survives", "the patrick logs nautical astronomy survives", "the patrick mons nautical astronomy survives", "the patrick moyes nautical astronomy survives", "the patrick moore's nautical astronomy survives"
"the patrick moore positional astronomy survey" » "the patrick aware positional astronomy survey", "the patrick pure positional astronomy survey", "the patrick whole positional astronomy survey", "the patrick moore positional astronomy surveys", "the patrick moore positional astronomy sergey", "the patrick moore positional autonomy survey"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("the patrick moore practical astronomy survives") OR ((("the patrick moore positional astronomy survives") OR ("the patrick moore positional astronomy survey"))))) OR ("the patrick moocs nautical astronomy survives")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moore practical astronomy survives\") or (((\"the patrick moore positional astronomy survives\") OR (\"the patrick moore positional astronomy survey\"))))) or (\"the patrick moocs nautical astronomy survives\"))".
• Removing quotes may allow a broader search: (((( the patrick moore practical astronomy survives ) or ((( the patrick moore positional astronomy survives ) OR ( the patrick moore positional astronomy survey ))))) or ( the patrick moocs nautical astronomy survives )).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moore practical astronomy survives") or ((("the patrick moore positional astronomy survives") OR ("the patrick moore positional astronomy survey"))))) or ("the patrick moocs nautical astronomy survives"))*.