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 large", "the patrick moocs practical astronomy society", "the patrick mics practical astronomy sergey", "the patrick does practical astronomy sergey", "the patrick drops 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 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 mics practical astronomy survey", "the patrick does practical astronomy survey", "the patrick drops practical astronomy survey", "the patrick moore practical astronomy survey", "the patrick mons practical astronomy survey", "the patrick moyes practical astronomy survey"
"the patrick nos nautical astronomy sergey" » "the patrick nos nautical astronomy surveys", "the patrick nos nautical astronomy large", "the patrick nos nautical astronomy society", "the patrick logs nautical astronomy sergey", "the patrick hoc nautical astronomy sergey", "the patrick task nautical astronomy sergey", "the patrick nomo nautical astronomy sergey", "the patrick bas nautical astronomy sergey", "the patrick n nautical astronomy sergey"
"the patrick some nautical astronomy sergey" » "the patrick some nautical astronomy surveys", "the patrick some nautical astronomy large", "the patrick some nautical astronomy society", "the patrick some analytical astronomy sergey", "the patrick some practical astronomy sergey", "the patrick some critical astronomy sergey", "the patrick home nautical astronomy sergey", "the patrick sole nautical astronomy sergey", "the trick some nautical astronomy sergey"
"the patrick nos nautical astronomy seven" » "the patrick nos nautical astronomy some", "the patrick nos nautical astronomy science", "the patrick nos nautical astronomy between", "the patrick logs nautical astronomy seven", "the patrick hoc nautical astronomy seven", "the patrick task nautical astronomy seven", "the patrick nomo nautical astronomy seven", "the patrick bas nautical astronomy seven", "the patrick n nautical astronomy seven"

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