Perhaps you should try some spelling variations:
"the patrick moore practical astronomy sergey" » "the patrick moore nautical astronomy sergey", "the patrick moore optical astronomy sergey", "the patrick moore practical astronomy survey", "the patrick moore practical astronomy surveys", "the patrick moore practical astronomy seven", "the patrick more practical astronomy sergey", "the patrick mouse practical astronomy sergey", "the patrick course practical astronomy sergey"
"the patrick moocs practical astronomy sergey" » "the patrick moocs nautical astronomy sergey", "the patrick moocs optical astronomy sergey", "the patrick moocs practical astronomy survey", "the patrick moocs practical astronomy surveys", "the patrick moocs practical astronomy seven", "the patrick mics practical astronomy sergey", "the patrick abcs practical astronomy sergey", "the patrick ics practical astronomy sergey", "the patrick mons practical astronomy sergey", "the patrick moyes practical astronomy sergey", "the patrick moore's practical astronomy sergey"
"the patrick moore positional astronomy surveying" » "the patrick moore positional astronomy during", "the patrick aware positional astronomy surveying", "the patrick pure positional astronomy surveying", "the patrick more positioning astronomy surveying"
"the patrick whole positional astronomy surveying" » "the patrick whole positional astronomy during", "the patrick hole position astronomy surveying", "the patrick whole political astronomy surveying", "the patrick holds positional astronomy surveying", "the patrick wohrle positional astronomy surveying", "the patrick sole positional astronomy surveying", "the patrick wheeler positional astronomy surveying"

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 moore practical astronomy sergey") OR ("the patrick moocs practical astronomy sergey"))) OR ((("the patrick moore positional astronomy surveying") OR ("the patrick whole positional astronomy surveying")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moore practical astronomy sergey\") or (\"the patrick moocs practical astronomy sergey\"))) or (((\"the patrick moore positional astronomy surveying\") OR (\"the patrick whole positional astronomy surveying\"))))".
• Removing quotes may allow a broader search: (((( the patrick moore practical astronomy sergey ) or ( the patrick moocs practical astronomy sergey ))) or ((( the patrick moore positional astronomy surveying ) OR ( the patrick whole positional astronomy surveying )))).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moore practical astronomy sergey") or ("the patrick moocs practical astronomy sergey"))) or ((("the patrick moore positional astronomy surveying") OR ("the patrick whole positional astronomy surveying"))))*.