Perhaps you should try some spelling variations:
"the patrick moocs optical astronomy series" » "the patrick moocs nautical astronomy series", "the patrick moocs spherical astronomy series", "the patrick moocs optical gastronomy services", "the patrick moocs optical astronomy survives", "the patrick moocs optical astronomy studies", "the patrick moore optical astronomy series", "the patrick moyes optical astronomy series", "the patrick moore's optical astronomy series", "the patrick moon optical astronomy series", "the patrick topics optical astronomy series", "the patrick cmos optical astronomy series"
"the patrick mons positional astronomy series" » "the patrick mons positional gastronomy services", "the patrick mons positional astronomy survives", "the patrick mons positional astronomy studies", "the patrick monkey positional astronomy series", "the patrick points positional astronomy series", "the patrick holds positional astronomy series", "the patrick moyes positional astronomy series", "the patrick bond positional astronomy series", "the patrick mpondo positional astronomy series"
"the patrick mons positional astronomy sergey" » "the patrick mons positional astronomy survey", "the patrick mons positional astronomy surveys", "the patrick mons positional astronomy seven", "the patrick monkey positional astronomy sergey", "the patrick points positional astronomy sergey", "the patrick holds positional astronomy sergey", "the patrick moyes positional astronomy sergey", "the patrick bond positional astronomy sergey", "the patrick mpondo 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 mons positional astronomy series") OR ("the patrick mons positional astronomy sergey"))) OR ("the patrick moocs optical astronomy series")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick mons positional astronomy series\") OR (\"the patrick mons positional astronomy sergey\"))) or (\"the patrick moocs optical astronomy series\"))".
• Removing quotes may allow a broader search: (((( the patrick mons positional astronomy series ) OR ( the patrick mons positional astronomy sergey ))) or ( the patrick moocs optical astronomy series )).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick mons positional astronomy series") OR ("the patrick mons positional astronomy sergey"))) or ("the patrick moocs optical astronomy series"))*.