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 practical astronomy survey", "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 surveys" » "the patrick moocs nautical astronomy surveys", "the patrick moocs optical astronomy surveys", "the patrick moocs practical astronomy survey", "the patrick moocs practical astronomy surveying", "the patrick moocs practical astronomy survives", "the patrick mics practical astronomy surveys", "the patrick abcs practical astronomy surveys", "the patrick ics practical astronomy surveys", "the patrick moore practical astronomy surveys", "the patrick mons practical astronomy surveys", "the patrick moyes practical astronomy surveys"
"the patrick penel positional astronomy sergey" » "the patrick penel positional astronomy survey", "the patrick penel positional astronomy seven", "the patrick penel positional astronomy large", "the patrick gene positional astronomy sergey", "the patrick panel position astronomy sergey", "the patrick power positional astronomy sergey", "the patrick peter positional astronomy sergey", "the patrick barnel positional astronomy sergey", "the patrick opyene positional 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 surveys"))) OR ("the patrick penel positional 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 surveys\"))) or (\"the patrick penel positional astronomy sergey\"))".
• Removing quotes may allow a broader search: (((( the patrick moocs practical astronomy sergey ) OR ( the patrick moocs practical astronomy surveys ))) or ( the patrick penel positional astronomy sergey )).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moocs practical astronomy sergey") OR ("the patrick moocs practical astronomy surveys"))) or ("the patrick penel positional astronomy sergey"))*.