Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy sergey" » "the patrick moocs positional astronomy sergey", "the patrick moocs practical astronomy survey", "the patrick moocs practical astronomy surveys", "the patrick moocs practical astronomy large", "the patrick mics practical astronomy sergey", "the patrick does practical astronomy sergey", "the patrick drops practical astronomy sergey", "the patrick mons practical astronomy sergey", "the patrick moyes practical astronomy sergey", "the patrick moore's practical astronomy sergey"
"the patrick moocs practical astronomy seven" » "the patrick moocs positional astronomy seven", "the patrick mics practical astronomy seven", "the patrick does practical astronomy seven", "the patrick drops practical astronomy seven", "the patrick moocs practical astronomy some", "the patrick moocs practical astronomy science", "the patrick moocs practical astronomy between", "the patrick mons practical astronomy seven", "the patrick moyes practical astronomy seven", "the patrick moore's practical astronomy seven"
"the patrick moocs optical astronomy sergey" » "the patrick moocs spherical astronomy sergey", "the patrick moocs positional astronomy sergey", "the patrick moocs optical astronomy survey", "the patrick moocs optical astronomy surveys", "the patrick moocs optical astronomy large", "the patrick mons optical astronomy sergey", "the patrick moyes optical astronomy sergey", "the patrick moore's optical astronomy sergey", "the patrick moon optical astronomy sergey", "the patrick topics optical astronomy sergey", "the patrick dots optical astronomy sergey"
"the patrick moore nautical astronomy sergey" » "the patrick moore nautical astronomy survey", "the patrick moore nautical astronomy surveys", "the patrick moore nautical astronomy large", "the patrick mile nautical astronomy sergey", "the patrick moore national astronomy sergey", "the patrick some nautical astronomy sergey"
"the patrick board nautical astronomy sergey" » "the patrick board nautical astronomy survey", "the patrick board nautical astronomy surveys", "the patrick board nautical astronomy large", "the patrick board practical astronomy sergey", "the patrick board national astronomy sergey", "the patrick board neutral astronomy sergey", "the patrick bond nautical astronomy sergey", "the patrick hubbard nautical astronomy sergey", "the patrick leonard nautical 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 optical astronomy sergey"))) OR ("the patrick moocs practical astronomy seven"))) OR ((("the patrick moore nautical astronomy sergey") OR ("the patrick board nautical 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 optical astronomy sergey\"))) or (\"the patrick moocs practical astronomy seven\"))) or (((\"the patrick moore nautical astronomy sergey\") or (\"the patrick board nautical astronomy sergey\"))))".
• Removing quotes may allow a broader search: (((((( the patrick moocs practical astronomy sergey ) OR ( the patrick moocs optical astronomy sergey ))) or ( the patrick moocs practical astronomy seven ))) or ((( the patrick moore nautical astronomy sergey ) or ( the patrick board nautical astronomy sergey )))).
• Adding a wildcard symbol may retrieve word variants: (((((("the patrick moocs practical astronomy sergey") OR ("the patrick moocs optical astronomy sergey"))) or ("the patrick moocs practical astronomy seven"))) or ((("the patrick moore nautical astronomy sergey") or ("the patrick board nautical astronomy sergey"))))*.