Perhaps you should try some spelling variations:
"the patrick moore's practical astronomy sergey" » "the patrick moore's optical astronomy sergey", "the patrick rouse's practical astronomy sergey", "the patrick bowles's practical astronomy sergey", "the patrick journeys practical astronomy sergey", "the patrick moore's practical astronomy survey", "the patrick moore's practical astronomy surveys", "the patrick moore's practical astronomy large"
"the patrick moocs practical astronomy seven" » "the patrick moocs optical astronomy seven", "the patrick mics practical astronomy seven", "the patrick abcs practical astronomy seven", "the patrick ics practical astronomy seven", "the patrick moocs practical astronomy some", "the patrick moocs practical astronomy science", "the patrick moocs practical astronomy between", "the patrick mons practical astronomy seven", "the patrick moyes practical astronomy seven"
"the patrick moore positional astronomy sergey" » "the patrick moore positional astronomy survey", "the patrick moore positional astronomy surveys", "the patrick moore positional astronomy large", "the patrick aware positional astronomy sergey", "the patrick pure positional astronomy sergey", "the patrick whole positional astronomy sergey"
"the patrick moocs nautical astronomy sergey" » "the patrick moocs nautical astronomy survey", "the patrick moocs nautical astronomy surveys", "the patrick moocs nautical astronomy large", "the patrick hoc nautical astronomy sergey", "the patrick logs nautical astronomy sergey", "the patrick nos nautical astronomy sergey", "the patrick mons nautical astronomy sergey", "the patrick moyes 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 moore's practical astronomy sergey") OR ("the patrick moore positional astronomy sergey"))) OR ("the patrick moocs practical astronomy seven"))) OR ("the patrick moocs nautical astronomy sergey")).
• Removing quotes may allow a broader search: (((((( the patrick moore's practical astronomy sergey ) or ( the patrick moore positional astronomy sergey ))) or ( the patrick moocs practical astronomy seven ))) or ( the patrick moocs nautical astronomy sergey )).
• Adding a wildcard symbol may retrieve word variants: (((((("the patrick moore's practical astronomy sergey") or ("the patrick moore positional astronomy sergey"))) or ("the patrick moocs practical astronomy seven"))) or ("the patrick moocs nautical astronomy sergey"))*.