Perhaps you should try some spelling variations:
"the patrick moore practical astronomy sergey" » "the patrick moore optical astronomy sergey", "the patrick moore practical astronomy surveys", "the patrick moore practical astronomy seven", "the patrick moore practical astronomy large", "the patrick more practical astronomy sergey", "the patrick moocs practical astronomy sergey", "the patrick mouse practical astronomy sergey"
"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 seven", "the patrick moocs positional astronomy large", "the patrick mons positional astronomy sergey", "the patrick moyes positional astronomy sergey", "the patrick moore's positional astronomy sergey"
"the patrick moocs positional astronomy survey" » "the patrick holds positional astronomy survey", "the patrick blocks positionals astronomy survey", "the patrick images positional astronomy survey", "the patrick moocs positional astronomy surveys", "the patrick moocs positional autonomy survey", "the patrick moocs positional astronomy surveying", "the patrick mons positional astronomy survey", "the patrick moyes positional astronomy survey", "the patrick moore's positional astronomy survey"
"the patrick moocs nautical astronomy sergey" » "the patrick moocs nautical astronomy surveys", "the patrick moocs nautical astronomy seven", "the patrick moocs nautical astronomy large", "the patrick moocs practical astronomy sergey", "the patrick hoc nautical astronomy sergey", "the patrick logs nautical astronomy sergey", "the patrick mons nautical astronomy sergey", "the patrick moyes nautical astronomy sergey", "the patrick moore's 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 positional astronomy sergey") OR ("the patrick moocs positional astronomy survey"))) OR ("the patrick moore practical astronomy sergey"))) OR ("the patrick moocs nautical astronomy sergey")).
• 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 survey\"))) or (\"the patrick moore practical astronomy sergey\"))) or (\"the patrick moocs nautical astronomy sergey\"))".
• Removing quotes may allow a broader search: (((((( the patrick moocs positional astronomy sergey ) OR ( the patrick moocs positional astronomy survey ))) or ( the patrick moore practical astronomy sergey ))) or ( the patrick moocs nautical astronomy sergey )).
• Adding a wildcard symbol may retrieve word variants: (((((("the patrick moocs positional astronomy sergey") OR ("the patrick moocs positional astronomy survey"))) or ("the patrick moore practical astronomy sergey"))) or ("the patrick moocs nautical astronomy sergey"))*.