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 survey", "the patrick moocs practical astronomy large", "the patrick moocs practical astronomy space", "the patrick books practical astronomy sergey", "the patrick mics practical astronomy sergey", "the patrick colts practical astronomy sergey", "the patrick moore practical astronomy sergey", "the patrick mons practical astronomy sergey", "the patrick moyes practical astronomy sergey"
"the patrick moocs practical astronomy seven" » "the patrick moocs optical astronomy seven", "the patrick moocs positional astronomy seven", "the patrick books practical astronomy seven", "the patrick mics practical astronomy seven", "the patrick colts practical astronomy seven", "the patrick moocs practical astronomy some", "the patrick moocs practical astronomy science", "the patrick moocs practical astronomy between", "the patrick moore practical astronomy seven", "the patrick mons practical astronomy seven", "the patrick moyes practical astronomy seven"
"the patrick moocs nautical astronomy society" » "the patrick moocs nautical astronomical society", "the patrick moocs nautical economy society", "the patrick moocs nautical astronomy ancient", "the patrick hoc nautical astronomy society", "the patrick logs nautical astronomy society", "the patrick nos nautical astronomy society", "the patrick moore nautical astronomy society", "the patrick mons nautical astronomy society", "the patrick moyes nautical astronomy society"
"the patrick moocs nautical astronomy surveys" » "the patrick moocs nautical astronomy survey", "the patrick moocs nautical astronomy surveying", "the patrick moocs nautical astronomy survives", "the patrick hoc nautical astronomy surveys", "the patrick logs nautical astronomy surveys", "the patrick nos nautical astronomy surveys", "the patrick moore nautical astronomy surveys", "the patrick mons nautical astronomy surveys", "the patrick moyes nautical astronomy surveys"
"the patrick moocs nautical astronomy sergey" » "the patrick moocs nautical astronomy survey", "the patrick moocs nautical astronomy large", "the patrick moocs nautical astronomy space", "the patrick hoc nautical astronomy sergey", "the patrick logs nautical astronomy sergey", "the patrick nos nautical astronomy sergey", "the patrick moore nautical astronomy sergey", "the patrick mons nautical astronomy sergey", "the patrick moyes 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 practical astronomy seven"))) OR ((((("the patrick moocs nautical astronomy sergey") OR ("the patrick moocs nautical astronomy society"))) OR ("the patrick moocs nautical astronomy surveys")))).
• 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 seven\"))) or (((((\"the patrick moocs nautical astronomy sergey\") OR (\"the patrick moocs nautical astronomy society\"))) or (\"the patrick moocs nautical astronomy surveys\"))))".
• Removing quotes may allow a broader search: (((( the patrick moocs practical astronomy sergey ) or ( the patrick moocs practical astronomy seven ))) or ((((( the patrick moocs nautical astronomy sergey ) OR ( the patrick moocs nautical astronomy society ))) or ( the patrick moocs nautical astronomy surveys )))).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moocs practical astronomy sergey") or ("the patrick moocs practical astronomy seven"))) or ((((("the patrick moocs nautical astronomy sergey") OR ("the patrick moocs nautical astronomy society"))) or ("the patrick moocs nautical astronomy surveys"))))*.