Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy surveys" » "the patrick moocs optical astronomy surveys", "the patrick moocs practical astronomy survey", "the patrick moocs practical astronomy surveying", "the patrick moocs practical astronomy sergey", "the patrick books practical astronomy surveys", "the patrick mics practical astronomy surveys", "the patrick colts practical astronomy surveys", "the patrick moore practical astronomy surveys", "the patrick mons practical astronomy surveys", "the patrick moyes practical astronomy surveys"
"the patrick moraes nautical astronomy survives" » "the patrick moraes nautical astronomy survey", "the patrick moraes nautical astronomy studies", "the patrick moraes practical astronomy survives", "the patrick moyes nautical astronomy survives", "the patrick moore's nautical astronomy survives", "the patrick moore nautical astronomy survives"
"the patrick mics positional astronomy surveys" » "the patrick mics positional astronomy survey", "the patrick mics positional astronomy surveying", "the patrick mics positional astronomy sergey", "the patrick mucosa positional astronomy surveys", "the patrick acids positional astronomy surveys", "the patrick lists positional astronomy surveys", "the patrick mons positional astronomy surveys", "the patrick michel positional astronomy surveys", "the patrick maill positional astronomy surveys"
"the patrick moraes nautical astronomy surveys" » "the patrick moraes nautical astronomy survey", "the patrick moraes nautical astronomy surveying", "the patrick moraes nautical astronomy sergey", "the patrick moraes practical astronomy surveys", "the patrick moyes nautical astronomy surveys", "the patrick moore's nautical astronomy surveys", "the patrick moore nautical astronomy surveys"

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