Perhaps you should try some spelling variations:
"the patrick moore practical astronomy sergey" » "the patrick moore optical astronomy sergey", "the patrick moore practical astronomy survey", "the patrick moore practical astronomy seven", "the patrick moore practical astronomy large", "the patrick moocs practical astronomy sergey", "the patrick mouse practical astronomy sergey", "the patrick course practical astronomy sergey"
"the patrick more practical astronomy sergey" » "the patrick more optical astronomy sergey", "the patrick more practical astronomy survey", "the patrick more practical astronomy seven", "the patrick more practical astronomy large", "the patrick some practical astronomy sergey", "the patrick moyes practical astronomy sergey", "the patrick mkie practical astronomy sergey", "the patrick mark practical astronomy sergey"
"the patrick moore nautical astronomy surveys" » "the patrick moore nautical astronomy survey", "the patrick moore nautical astronomy surveying", "the patrick moore nautical astronomy survives", "the patrick board nautical astronomy surveys", "the patrick mile nautical astronomy surveys", "the patrick moore national astronomy surveys"
"the patrick more positional astronomy sergey" » "the patrick more positional astronomy survey", "the patrick more positional astronomy seven", "the patrick more positional astronomy large", "the patrick pure positional astronomy sergey", "the patrick more positioning astronomy sergey", "the patrick aware positional astronomy sergey", "the patrick moyes positional astronomy sergey", "the patrick mkie positional astronomy sergey", "the patrick mark positional astronomy sergey"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("the patrick moore practical astronomy sergey") OR ("the patrick moore nautical astronomy surveys"))) OR ((("the patrick more practical astronomy sergey") OR ("the patrick more positional astronomy sergey")))).
• Removing quotes may allow a broader search: (((( the patrick moore practical astronomy sergey ) or ( the patrick moore nautical astronomy surveys ))) or ((( the patrick more practical astronomy sergey ) or ( the patrick more positional astronomy sergey )))).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moore practical astronomy sergey") or ("the patrick moore nautical astronomy surveys"))) or ((("the patrick more practical astronomy sergey") or ("the patrick more positional astronomy sergey"))))*.