Perhaps you should try some spelling variations:
"the patrick moore practical astronomy survives" » "the patrick moore positional astronomy survives", "the patrick moore practical astronomy survey", "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 nautical astronomy survives" » "the patrick moore nautical astronomy survey", "the patrick moore nautical astronomy surveys", "the patrick moore nautical astronomy studies", "the patrick mile nautical astronomy survives", "the patrick moore national astronomy survives", "the patrick some nautical astronomy survives"
"the patrick board nautical astronomy survives" » "the patrick board nautical astronomy survey", "the patrick board nautical astronomy surveys", "the patrick board nautical astronomy studies", "the patrick board practical astronomy survives", "the patrick board national astronomy survives", "the patrick board neutral astronomy survives", "the patrick bond nautical astronomy survives", "the patrick hubbard nautical astronomy survives", "the patrick leonard nautical astronomy survives"
"the patrick moore optical astronomy status" » "the patrick moore spherical astronomy status", "the patrick moore positional astronomy status", "the patrick moore optical astronomy space", "the patrick moore optical astronomy south", "the patrick moire optical astronomy status", "the patrick more optical astronomy status", "the patrick core optical astronomy status"

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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 optical astronomy status"))) OR ((("the patrick moore nautical astronomy survives") OR ("the patrick board nautical astronomy survives")))).
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• Adding a wildcard symbol may retrieve word variants: (((("the patrick moore practical astronomy survives") or ("the patrick moore optical astronomy status"))) or ((("the patrick moore nautical astronomy survives") or ("the patrick board nautical astronomy survives"))))*.