Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy sergey" » "the patrick moocs positional astronomy sergey", "the patrick moocs practical astronomy survey", "the patrick moocs practical astronomy large", "the patrick moocs practical astronomy society", "the patrick mics practical astronomy sergey", "the patrick abcs practical astronomy sergey", "the patrick ics practical astronomy sergey", "the patrick mons practical astronomy sergey", "the patrick moyes practical astronomy sergey", "the patrick moore's practical astronomy sergey"
"the patrick moocs practical 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 between", "the patrick moocs practical astronomy section", "the patrick mons practical astronomy seven", "the patrick moyes practical astronomy seven", "the patrick moore's practical astronomy seven"
"the patrick moore practical astronomy seven" » "the patrick moore positional astronomy seven", "the patrick moore practical astronomy some", "the patrick moore practical astronomy between", "the patrick moore practical astronomy section", "the patrick more practical astronomy seven", "the patrick mouse practical astronomy seven", "the patrick course practical astronomy seven"
"the patrick moore practical astronomy science" » "the patrick moore positional astronomy science", "the patrick moore practical astronomy space", "the patrick moore practical astronomy ancient", "the patrick more practical astronomy science", "the patrick mouse practical astronomy science", "the patrick course practical astronomy science"
"the patrick moocs optical astronomy sergey" » "the patrick moocs spherical astronomy sergey", "the patrick moocs positional astronomy sergey", "the patrick moocs optical astronomy survey", "the patrick moocs optical astronomy large", "the patrick moocs optical astronomy society", "the patrick mons optical astronomy sergey", "the patrick moyes optical astronomy sergey", "the patrick moore's optical astronomy sergey", "the patrick moon optical astronomy sergey", "the patrick topics optical astronomy sergey", "the patrick loss optical astronomy sergey"
"the patrick moocs nautical astronomy surveys" » "the patrick moocs nautical astronomy survey", "the patrick moocs nautical astronomy surveying", "the patrick moocs nautical astronomy survives", "the patrick hoc nautical astronomy surveys", "the patrick logs nautical astronomy surveys", "the patrick nos nautical astronomy surveys", "the patrick mons nautical astronomy surveys", "the patrick moyes nautical astronomy surveys", "the patrick moore's nautical astronomy surveys"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("the patrick moocs practical astronomy sergey") OR ("the patrick moocs optical astronomy sergey"))) OR ((("the patrick moocs practical astronomy seven") OR ((("the patrick moore practical astronomy seven") OR ("the patrick moore practical astronomy science"))))))) OR ("the patrick moocs nautical astronomy surveys")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"the patrick moocs practical astronomy sergey\") or (\"the patrick moocs optical astronomy sergey\"))) or (((\"the patrick moocs practical astronomy seven\") or (((\"the patrick moore practical astronomy seven\") OR (\"the patrick moore practical astronomy science\"))))))) or (\"the patrick moocs nautical astronomy surveys\"))".
• Removing quotes may allow a broader search: (((((( the patrick moocs practical astronomy sergey ) or ( the patrick moocs optical astronomy sergey ))) or ((( the patrick moocs practical astronomy seven ) or ((( the patrick moore practical astronomy seven ) OR ( the patrick moore practical astronomy science ))))))) or ( the patrick moocs nautical astronomy surveys )).
• Adding a wildcard symbol may retrieve word variants: (((((("the patrick moocs practical astronomy sergey") or ("the patrick moocs optical astronomy sergey"))) or ((("the patrick moocs practical astronomy seven") or ((("the patrick moore practical astronomy seven") OR ("the patrick moore practical astronomy science"))))))) or ("the patrick moocs nautical astronomy surveys"))*.