Perhaps you should try some spelling variations:
"the patrick moore practical astronomy sergey" » "the patrick moore nautical astronomy sergey", "the patrick moore optical astronomy sergey", "the patrick moore practical astronomy survey", "the patrick moore practical astronomy surveys", "the patrick moore practical astronomy large", "the patrick more practical astronomy sergey", "the patrick moocs practical astronomy sergey", "the patrick mouse practical astronomy sergey"
"the patrick moore spherical astronomy seven" » "the patrick smooth spherical astronomy seven", "the patrick sobere spherical astronomy seven", "the patrick pole spherical astronomy seven", "the patrick moore spherical astronomy some", "the patrick moore spherical astronomy science", "the patrick moore spherical astronomy between"
"the patrick core positional astronomy seven" » "the patrick core positional astronomy some", "the patrick core positional astronomy science", "the patrick core positional astronomy between", "the patrick case positional astronomy seven", "the patrick core position astronomy seven", "the patrick pure positional astronomy seven", "the patrick corr positional astronomy seven", "the patrick corsi positional astronomy seven", "the patrick coyle positional astronomy seven"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"the patrick moore practical astronomy sergey\") OR (((\"the patrick moore spherical astronomy seven\") OR (\"the patrick core positional astronomy seven\"))))".
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• Adding a wildcard symbol may retrieve word variants: (("the patrick moore practical astronomy sergey") OR ((("the patrick moore spherical astronomy seven") OR ("the patrick core positional astronomy seven"))))*.