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 positional astronomy sergey", "the patrick moore practical astronomy surveys", "the patrick moore practical astronomy large", "the patrick moore practical astronomy society", "the patrick more practical astronomy sergey", "the patrick mouse practical astronomy sergey", "the patrick course practical astronomy sergey"
"the patrick moore practical astronomy survey" » "the patrick moore nautical astronomy survey", "the patrick moore optical astronomy survey", "the patrick moore positional astronomy survey", "the patrick moore practical astronomy surveys", "the patrick moore practical autonomy survey", "the patrick moore practical astronomy surveying", "the patrick more practical astronomy survey", "the patrick mouse practical astronomy survey", "the patrick course practical astronomy survey"
"the patrick moocs practical astronomy seven" » "the patrick moocs nautical astronomy seven", "the patrick moocs optical astronomy seven", "the patrick moocs positional 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's practical astronomy seven"

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