Perhaps you should try some spelling variations:
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"the patrick moocs practical astronomy survives" » "the patrick moocs nautical astronomy survives", "the patrick moocs positional astronomy survives", "the patrick moocs practical astronomy survey", "the patrick moocs practical astronomy surveys", "the patrick moocs practical astronomy studies", "the patrick mics practical astronomy survives", "the patrick abcs practical astronomy survives", "the patrick ics practical astronomy survives", "the patrick mons practical astronomy survives", "the patrick moyes practical astronomy survives", "the patrick moore's practical astronomy survives"
"the patrick drops practical astronomy survives" » "the patrick drops nautical astronomy survives", "the patrick drops positional astronomy survives", "the patrick drops practical astronomy survey", "the patrick drops practical astronomy surveys", "the patrick drops practical astronomy studies", "the patrick aris practical astronomy survives", "the patrick devops practices astronomy survives", "the patrick arrays practical astronomy survives", "the patrick debois practical astronomy survives", "the patrick dr practical astronomy survives", "the patrick brown practical astronomy survives"

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