Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy sergey" » "the patrick moocs nautical astronomy sergey", "the patrick moocs optical astronomy sergey", "the patrick moocs positional astronomy sergey", "the patrick moocs practical astronomy surveys", "the patrick moocs practical astronomy seven", "the patrick moocs practical astronomy large", "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 moocs practical astronomy survey" » "the patrick moocs nautical astronomy survey", "the patrick moocs optical 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 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 more practical astronomy sergey" » "the patrick more nautical astronomy sergey", "the patrick more optical astronomy sergey", "the patrick more positional astronomy sergey", "the patrick more practical astronomy surveys", "the patrick more practical astronomy seven", "the patrick more practical astronomy large", "the patrick some practical astronomy sergey", "the patrick moore practical astronomy sergey", "the patrick moyes practical astronomy sergey", "the patrick mkie practical astronomy sergey"

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