Perhaps you should try some spelling variations:
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"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 large", "the patrick moocs optical astronomy society", "the patrick moore 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 cmos optical astronomy sergey"
"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 moyes nautical astronomy surveys", "the patrick moore's nautical astronomy surveys"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((((("the patrick mons practical astronomy sergey") OR ("the patrick moocs optical astronomy sergey"))) OR ("the patrick moocs practical astronomy seven"))) OR ("the patrick moocs nautical astronomy surveys")).
• Removing quotes may allow a broader search: (((((( the patrick mons practical astronomy sergey ) or ( the patrick moocs optical astronomy sergey ))) or ( the patrick moocs practical astronomy seven ))) or ( the patrick moocs nautical astronomy surveys )).
• Adding a wildcard symbol may retrieve word variants: (((((("the patrick mons practical astronomy sergey") or ("the patrick moocs optical astronomy sergey"))) or ("the patrick moocs practical astronomy seven"))) or ("the patrick moocs nautical astronomy surveys"))*.