Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy survey" » "the patrick moocs optical astronomy survey", "the patrick moocs positional astronomy survey", "the patrick moocs practical autonomy survey", "the patrick moocs practical astronomy surveying", "the patrick moocs practical astronomy survives", "the patrick mics practical astronomy survey", "the patrick abcs practical astronomy survey", "the patrick ics practical astronomy survey", "the patrick moore practical astronomy survey", "the patrick mons practical astronomy survey", "the patrick moyes practical astronomy survey"
"the patrick moocs practical astronomy sergey" » "the patrick moocs optical astronomy sergey", "the patrick moocs positional astronomy sergey", "the patrick moocs practical astronomy seven", "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 moore practical astronomy sergey", "the patrick mons practical astronomy sergey", "the patrick moyes practical astronomy sergey"
"the patrick moraes nautical astronomy surveys" » "the patrick moraes nautical astronomy surveying", "the patrick moraes nautical astronomy survives", "the patrick moraes nautical autonomy survey", "the patrick moraes nautical autonomy surveys", "the patrick moraes nautical astronomy surveyings", "the patrick moraes nautical astronomy survivess", "the patrick moraes practical astronomy surveys", "the patrick moyes nautical astronomy surveys", "the patrick moore's nautical astronomy surveys", "the patrick moore 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 survey") OR ("the patrick moocs practical astronomy sergey"))) OR ("the patrick moraes nautical astronomy surveys")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moocs practical astronomy survey\") OR (\"the patrick moocs practical astronomy sergey\"))) or (\"the patrick moraes nautical astronomy surveys\"))".
• Removing quotes may allow a broader search: (((( the patrick moocs practical astronomy survey ) OR ( the patrick moocs practical astronomy sergey ))) or ( the patrick moraes nautical astronomy surveys )).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moocs practical astronomy survey") OR ("the patrick moocs practical astronomy sergey"))) or ("the patrick moraes nautical astronomy surveys"))*.