Perhaps you should try some spelling variations:
"the patrick moocs practical 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 books practical astronomy sergey", "the patrick colts practical astronomy sergey", "the patrick coins practical astronomy sergey", "the patrick moore practical astronomy sergey", "the patrick mons practical astronomy sergey", "the patrick moore's practical astronomy sergey"
"the patrick moocs practical 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 books practical astronomy survey", "the patrick colts practical astronomy survey", "the patrick coins practical astronomy survey", "the patrick moore practical astronomy survey", "the patrick mons practical astronomy survey", "the patrick moore's practical astronomy survey"
"the patrick mics practical astronomy survey" » "the patrick mics optical astronomy survey", "the patrick mics positional astronomy survey", "the patrick mics practical astronomy surveys", "the patrick mics practical autonomy survey", "the patrick mics practical astronomy surveying", "the patrick ics practical astronomy survey", "the patrick micro practical astronomy survey", "the patrick abcs practical astronomy survey", "the patrick mons practical astronomy survey", "the patrick michel practical astronomy survey", "the patrick maill practical astronomy survey"
"the patrick moyes practical astronomy survey" » "the patrick moyes optical astronomy survey", "the patrick moyes positional astronomy survey", "the patrick moyes practical astronomy surveys", "the patrick moyes practical autonomy survey", "the patrick moyes practical astronomy surveying", "the patrick modes practical astronomy survey", "the patrick movies practical astronomy survey", "the patrick moraes practical astronomy survey", "the patrick keyes practical astronomy survey", "the patrick mayen practical astronomy survey", "the patrick mons practical astronomy survey"
"the patrick moocs nautical astronomy long" » "the patrick hoc nautical astronomy long", "the patrick logs nautical astronomy long", "the patrick nos nautical astronomy long", "the patrick moocs nautical astronomy line", "the patrick moocs nautical astronomy being", "the patrick moocs nautical astronomy large", "the patrick moore nautical astronomy long", "the patrick mons nautical astronomy long", "the patrick moore's nautical astronomy long"

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 mics practical astronomy survey"))) OR ("the patrick moyes practical astronomy survey"))))) OR ("the patrick moocs nautical astronomy long")).
• 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 mics practical astronomy survey\"))) or (\"the patrick moyes practical astronomy survey\"))))) or (\"the patrick moocs nautical astronomy long\"))".
• Removing quotes may allow a broader search: (((( the patrick moocs practical astronomy sergey ) or ((((( the patrick moocs practical astronomy survey ) OR ( the patrick mics practical astronomy survey ))) or ( the patrick moyes practical astronomy survey ))))) or ( the patrick moocs nautical astronomy long )).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moocs practical astronomy sergey") or ((((("the patrick moocs practical astronomy survey") OR ("the patrick mics practical astronomy survey"))) or ("the patrick moyes practical astronomy survey"))))) or ("the patrick moocs nautical astronomy long"))*.