Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy surveys" » "the patrick moocs optical astronomy surveys", "the patrick moocs positional astronomy surveys", "the patrick moocs practical astronomy survey", "the patrick moocs practical astronomy surveying", "the patrick moocs practical astronomy sergey", "the patrick does practical astronomy surveys", "the patrick drops practical astronomy surveys", "the patrick abcs practical astronomy surveys", "the patrick moore practical astronomy surveys", "the patrick moyes practical astronomy surveys", "the patrick moore's practical astronomy surveys"
"the patrick mics practical astronomy surveys" » "the patrick mics optical astronomy surveys", "the patrick mics positional astronomy surveys", "the patrick mics practical astronomy survey", "the patrick mics practical astronomy surveying", "the patrick mics practical astronomy sergey", "the patrick ics practical astronomy surveys", "the patrick micro practical astronomy surveys", "the patrick abcs practical astronomy surveys", "the patrick michel practical astronomy surveys", "the patrick maill practical astronomy surveys", "the patrick meier practical astronomy surveys"
"the patrick mics practical astronomy survives" » "the patrick mics optical astronomy survives", "the patrick mics positional astronomy survives", "the patrick mics practical astronomy survey", "the patrick mics practical astronomy studies", "the patrick ics practical astronomy survives", "the patrick micro practical astronomy survives", "the patrick abcs practical astronomy survives", "the patrick michel practical astronomy survives", "the patrick maill practical astronomy survives", "the patrick meier practical astronomy survives"
"the patrick mons practical astronomy surveys" » "the patrick mons optical astronomy surveys", "the patrick mons positional astronomy surveys", "the patrick mons practical astronomy survey", "the patrick mons practical astronomy surveying", "the patrick mons practical astronomy sergey", "the patrick coins practical astronomy surveys", "the patrick does practical astronomy surveys", "the patrick lens practical astronomy surveys", "the patrick moyes practical astronomy surveys", "the patrick bond practical astronomy surveys", "the patrick mpondo practical 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 practical astronomy surveys") OR ("the patrick mics practical astronomy survives"))) OR ("the patrick mons practical astronomy surveys"))))) OR ("the patrick moraes nautical astronomy surveys")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moocs practical astronomy surveys\") or (((((\"the patrick mics practical astronomy surveys\") OR (\"the patrick mics practical astronomy survives\"))) or (\"the patrick mons practical astronomy surveys\"))))) or (\"the patrick moraes nautical astronomy surveys\"))".
• Removing quotes may allow a broader search: (((( the patrick moocs practical astronomy surveys ) or ((((( the patrick mics practical astronomy surveys ) OR ( the patrick mics practical astronomy survives ))) or ( the patrick mons practical astronomy surveys ))))) or ( the patrick moraes nautical astronomy surveys )).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moocs practical astronomy surveys") or ((((("the patrick mics practical astronomy surveys") OR ("the patrick mics practical astronomy survives"))) or ("the patrick mons practical astronomy surveys"))))) or ("the patrick moraes nautical astronomy surveys"))*.