Perhaps you should try some spelling variations:
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"the patrick more practical astronomy survives" » "the patrick more nautical astronomy survives", "the patrick more positional astronomy survives", "the patrick more practical astronomy survey", "the patrick more practical astronomy surveys", "the patrick some practical astronomy survives", "the patrick moyes practical astronomy survives", "the patrick mkie practical astronomy survives", "the patrick mark practical astronomy survives"
"the patrick moore practical astronomy studies" » "the patrick moore nautical astronomy studies", "the patrick moore positional astronomy studies", "the patrick moore practical astronomy study", "the patrick moore practical economy studies", "the patrick moore practical astronomy status", "the patrick moocs practical astronomy studies", "the patrick mouse practical astronomy studies", "the patrick course practical astronomy studies"
"the patrick moore optical astronomy studies" » "the patrick moore optical astronomy study", "the patrick moore optical economy studies", "the patrick moore optical astronomy status", "the patrick moore nautical astronomy studies", "the patrick moore spherical astronomy studies", "the patrick moore positional astronomy studies", "the patrick moire optical astronomy studies", "the patrick more optical astronomy studies", "the patrick core optical astronomy studies"

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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 more practical astronomy survives"))) OR ((("the patrick moore practical astronomy studies") OR ("the patrick moore optical astronomy studies")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moore practical astronomy survives\") OR (\"the patrick more practical astronomy survives\"))) or (((\"the patrick moore practical astronomy studies\") or (\"the patrick moore optical astronomy studies\"))))".
• Removing quotes may allow a broader search: (((( the patrick moore practical astronomy survives ) OR ( the patrick more practical astronomy survives ))) or ((( the patrick moore practical astronomy studies ) or ( the patrick moore optical astronomy studies )))).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moore practical astronomy survives") OR ("the patrick more practical astronomy survives"))) or ((("the patrick moore practical astronomy studies") or ("the patrick moore optical astronomy studies"))))*.