Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy seven" » "the patrick moocs positional astronomy seven", "the patrick mics practical astronomy seven", "the patrick does practical astronomy seven", "the patrick drops practical astronomy seven", "the patrick moocs practical astronomy some", "the patrick moocs practical astronomy science", "the patrick moocs practical astronomy between", "the patrick moore practical astronomy seven", "the patrick mons practical astronomy seven", "the patrick moyes practical astronomy seven"
"the patrick moocs practical astronomy survey" » "the patrick moocs positional astronomy survey", "the patrick moocs practical astronomy surveys", "the patrick moocs practical autonomy survey", "the patrick moocs practical astronomy surveying", "the patrick mics practical astronomy survey", "the patrick does practical astronomy survey", "the patrick drops practical astronomy survey", "the patrick moore practical astronomy survey", "the patrick mons practical astronomy survey", "the patrick moyes practical astronomy survey"
"the patrick moocs optical astronomy sergey" » "the patrick moocs spherical astronomy sergey", "the patrick moocs positional astronomy sergey", "the patrick moocs optical astronomy surveys", "the patrick moocs optical astronomy large", "the patrick moocs optical astronomy society", "the patrick moore optical astronomy sergey", "the patrick mons optical astronomy sergey", "the patrick moyes optical astronomy sergey", "the patrick moon optical astronomy sergey", "the patrick topics optical astronomy sergey", "the patrick dots optical astronomy sergey"
"the patrick moocs nautical astronomy sergey" » "the patrick moocs nautical astronomy surveys", "the patrick moocs nautical astronomy large", "the patrick moocs nautical astronomy society", "the patrick hoc nautical astronomy sergey", "the patrick logs nautical astronomy sergey", "the patrick nos nautical astronomy sergey", "the patrick moore 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 moocs optical astronomy sergey") OR ("the patrick moocs practical astronomy seven"))) OR ("the patrick moocs practical astronomy survey"))) OR ("the patrick moocs nautical astronomy sergey")).
• Removing quotes may allow a broader search: (((((( the patrick moocs optical astronomy sergey ) or ( the patrick moocs practical astronomy seven ))) or ( the patrick moocs practical astronomy survey ))) or ( the patrick moocs nautical astronomy sergey )).
• Adding a wildcard symbol may retrieve word variants: (((((("the patrick moocs optical astronomy sergey") or ("the patrick moocs practical astronomy seven"))) or ("the patrick moocs practical astronomy survey"))) or ("the patrick moocs nautical astronomy sergey"))*.