Perhaps you should try some spelling variations:
"the patrick moore optical astronomy sergey" » "the patrick moore spherical astronomy sergey", "the patrick moore optical astronomy surveys", "the patrick moore optical astronomy seven", "the patrick moore optical astronomy large", "the patrick moire optical astronomy sergey", "the patrick more optical astronomy sergey", "the patrick core optical astronomy sergey"
"the patrick moocs positional astronomy sergey" » "the patrick holds positional astronomy sergey", "the patrick blocks positionals astronomy sergey", "the patrick images positional astronomy sergey", "the patrick moocs positional astronomy surveys", "the patrick moocs positional astronomy seven", "the patrick moocs positional astronomy large", "the patrick mons positional astronomy sergey", "the patrick moyes positional astronomy sergey", "the patrick moore's positional astronomy sergey"
"the patrick moocs positional astronomy survey" » "the patrick holds positional astronomy survey", "the patrick blocks positionals astronomy survey", "the patrick images positional astronomy survey", "the patrick moocs positional astronomy surveys", "the patrick moocs positional autonomy survey", "the patrick moocs positional astronomy surveying", "the patrick mons positional astronomy survey", "the patrick moyes positional astronomy survey", "the patrick moore's positional astronomy survey"
"the patrick moocs nautical astronomy sergey" » "the patrick moocs nautical astronomy surveys", "the patrick moocs nautical astronomy seven", "the patrick moocs nautical astronomy large", "the patrick moocs practical astronomy sergey", "the patrick hoc nautical astronomy sergey", "the patrick logs nautical astronomy sergey", "the patrick mons nautical astronomy sergey", "the patrick moyes nautical astronomy sergey", "the patrick moore's nautical astronomy sergey"

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 moocs positional astronomy sergey") OR ("the patrick moocs positional astronomy survey"))) OR ("the patrick moore optical astronomy sergey"))) OR ("the patrick moocs nautical astronomy sergey")).
• Removing quotes may allow a broader search: (((((( the patrick moocs positional astronomy sergey ) or ( the patrick moocs positional astronomy survey ))) or ( the patrick moore optical astronomy sergey ))) or ( the patrick moocs nautical astronomy sergey )).
• Adding a wildcard symbol may retrieve word variants: (((((("the patrick moocs positional astronomy sergey") or ("the patrick moocs positional astronomy survey"))) or ("the patrick moore optical astronomy sergey"))) or ("the patrick moocs nautical astronomy sergey"))*.