Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy sergey" » "the patrick moocs positional astronomy sergey", "the patrick moocs practical astronomy surveys", "the patrick moocs practical astronomy seven", "the patrick moocs practical astronomy large", "the patrick books practical astronomy sergey", "the patrick mics practical astronomy sergey", "the patrick colts 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's positional astronomy sergey", "the patrick rouse's practical astronomy sergey", "the patrick bowles's practical astronomy sergey", "the patrick theorems practical astronomy sergey", "the patrick moore's practical astronomy surveys", "the patrick moore's practical astronomy seven", "the patrick moore's practical astronomy large"
"the patrick moocs optical astronomy sergey" » "the patrick moocs spherical astronomy sergey", "the patrick moocs positional astronomy sergey", "the patrick moocs optical astronomy surveys", "the patrick moocs optical astronomy seven", "the patrick moocs optical astronomy large", "the patrick mons optical astronomy sergey", "the patrick moyes optical astronomy sergey", "the patrick moon optical astronomy sergey", "the patrick topics optical astronomy sergey", "the patrick cmos optical astronomy sergey"
"the patrick moore nautical astronomy sergey" » "the patrick moore nautical astronomy surveys", "the patrick moore nautical astronomy seven", "the patrick moore nautical astronomy large", "the patrick board nautical astronomy sergey", "the patrick mile nautical astronomy sergey", "the patrick moore national astronomy sergey"
"the patrick moore nautical astronomy survey" » "the patrick moore nautical astronomy surveys", "the patrick moore nautical autonomy survey", "the patrick moore nautical astronomy surveying", "the patrick board nautical astronomy survey", "the patrick mile nautical astronomy survey", "the patrick moore national astronomy survey"

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