Perhaps you should try some spelling variations:
"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 moyes practical astronomy survey", "the patrick moore's practical astronomy survey"
"the patrick mons practical astronomy survey" » "the patrick mons optical astronomy survey", "the patrick mons positional astronomy survey", "the patrick mons practical astronomy surveys", "the patrick mons practical autonomy survey", "the patrick mons practical astronomy surveying", "the patrick coins practical astronomy survey", "the patrick does practical astronomy survey", "the patrick lens practical astronomy survey", "the patrick moyes practical astronomy survey", "the patrick bond practical astronomy survey", "the patrick mpondo practical astronomy survey"
"the patrick logs nautical astronomy sergey" » "the patrick logs nautical astronomy surveys", "the patrick logs nautical astronomy seven", "the patrick logs nautical astronomy large", "the patrick nos nautical astronomy sergey", "the patrick hoc nautical astronomy sergey", "the patrick lord nautical astronomy sergey", "the patrick l.s nautical astronomy sergey", "the patrick love nautical astronomy sergey"
"the patrick some nautical astronomy sergey" » "the patrick some nautical astronomy surveys", "the patrick some nautical astronomy seven", "the patrick some nautical astronomy large", "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"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("the patrick moocs practical astronomy survey") OR ("the patrick mons practical astronomy survey"))) OR ((("the patrick logs nautical astronomy sergey") OR ("the patrick some nautical astronomy sergey")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moocs practical astronomy survey\") OR (\"the patrick mons practical astronomy survey\"))) or (((\"the patrick logs nautical astronomy sergey\") or (\"the patrick some nautical astronomy sergey\"))))".
• Removing quotes may allow a broader search: (((( the patrick moocs practical astronomy survey ) OR ( the patrick mons practical astronomy survey ))) or ((( the patrick logs nautical astronomy sergey ) or ( the patrick some nautical astronomy sergey )))).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moocs practical astronomy survey") OR ("the patrick mons practical astronomy survey"))) or ((("the patrick logs nautical astronomy sergey") or ("the patrick some nautical astronomy sergey"))))*.