Perhaps you should try some spelling variations:
"the patrick moocs positional astronomy sergey" » "the patrick holds positional astronomy sergey", "the patrick blocks positionals astronomy sergey", "the patrick images positional astronomy sergey", "the patrick moocs positional astronomy surveys", "the patrick moocs positional astronomy large", "the patrick moocs positional astronomy society", "the patrick mons positional astronomy sergey", "the patrick moyes positional astronomy sergey", "the patrick moore's positional astronomy sergey"
"the patrick moocs positional astronomy seven" » "the patrick holds positional astronomy seven", "the patrick blocks positionals astronomy seven", "the patrick images positional astronomy seven", "the patrick moocs positional astronomy some", "the patrick moocs positional astronomy science", "the patrick moocs positional astronomy between", "the patrick mons positional astronomy seven", "the patrick moyes positional astronomy seven", "the patrick moore's positional astronomy seven"
"the patrick moore nautical astronomy survey" » "the patrick moore nautical astronomy surveys", "the patrick moore nautical autonomy survey", "the patrick moore nautical astronomy surveying", "the patrick board nautical astronomy survey", "the patrick moore national astronomy survey", "the patrick some nautical astronomy survey"
"the patrick mile nautical astronomy survey" » "the patrick mile nautical astronomy surveys", "the patrick mile nautical autonomy survey", "the patrick mile nautical astronomy surveying", "the patrick i nautical astronomy survey", "the patrick ii nautical astronomy survey", "the patrick some nautical astronomy survey", "the patrick miller nautical astronomy survey", "the patrick riley nautical astronomy survey", "the patrick maill nautical astronomy survey"

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