Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy series" » "the patrick moocs nautical astronomy series", "the patrick moocs optical astronomy series", "the patrick moocs practical gastronomy services", "the patrick moocs practical astronomy survives", "the patrick moocs practical astronomy studies", "the patrick mics practical astronomy series", "the patrick abcs practical astronomy series", "the patrick ics practical astronomy series", "the patrick moore practical astronomy series", "the patrick mons practical astronomy series", "the patrick moyes practical astronomy series"
"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 surveys", "the patrick moocs practical astronomy seven", "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 positional astronomy series" » "the patrick moocs positional gastronomy services", "the patrick moocs positional astronomy survives", "the patrick moocs positional astronomy studies", "the patrick holds positional astronomy series", "the patrick blocks positionals astronomy series", "the patrick images positional astronomy series", "the patrick moore positional astronomy series", "the patrick mons positional astronomy series", "the patrick moyes positional astronomy series"

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