Perhaps you should try some spelling variations:
"the patrick core optical astronomy survives" » "the patrick core optical astronomy survey", "the patrick core optical astronomy surveys", "the patrick core optical astronomy studies", "the patrick core nautical astronomy survives", "the patrick core spherical astronomy survives", "the patrick core positional astronomy survives", "the patrick corr optical astronomy survives", "the patrick coyle optical astronomy survives", "the patrick carr optical astronomy survives", "the patrick mode optical astronomy survives", "the patrick large optical astronomy survives"
"the patrick case optical astronomy survives" » "the patrick case optical astronomy survey", "the patrick case optical astronomy surveys", "the patrick case optical astronomy studies", "the patrick case nautical astronomy survives", "the patrick case spherical astronomy survives", "the patrick case positional astronomy survives", "the patrick fraser optical astronomy survives", "the patrick a optical astronomy survives", "the patrick c optical astronomy survives", "the patrick case optimal astronomy survives", "the patrick care optical astronomy survives", "the patrick cas optical astronomy survives"
"the patrick corsi optical astronomy survives" » "the patrick corsi optical astronomy survey", "the patrick corsi optical astronomy surveys", "the patrick corsi optical astronomy studies", "the patrick corsi nautical astronomy survives", "the patrick corsi spherical astronomy survives", "the patrick corsi positional astronomy survives", "the patrick cozzi optical astronomy survives", "the patrick coggi optical astronomy survives", "the patrick corr optical astronomy survives", "the patrick cores optical astronomy survives", "the patrick corner optical astronomy survives", "the patrick cortex optical astronomy survives"
"the patrick moore optical astronomy series" » "the patrick moore nautical astronomy series", "the patrick moore spherical astronomy series", "the patrick moore positional astronomy series", "the patrick moore optical astronomy sergey", "the patrick moore optical gastronomy services", "the patrick moore optical astronomy studies", "the patrick moire optical astronomy series", "the patrick more optical astronomy series", "the patrick moon optical astronomy series"

Try widening your search to All Fields.

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