Perhaps you should try some spelling variations:
"the patrick moocs practical astronomy survey" » "the patrick moocs optical astronomy survey", "the patrick moocs positional astronomy survey", "the patrick moocs practical astronomy surveys", "the patrick moocs practical autonomy survey", "the patrick moocs practical astronomy surveying", "the patrick books practical astronomy survey", "the patrick colts practical astronomy survey", "the patrick coins practical astronomy survey", "the patrick moore practical astronomy survey", "the patrick mons practical astronomy survey", "the patrick moyes practical astronomy survey"
"the patrick mics practical astronomy survey" » "the patrick mics optical astronomy survey", "the patrick mics positional astronomy survey", "the patrick mics practical astronomy surveys", "the patrick mics practical autonomy survey", "the patrick mics practical astronomy surveying", "the patrick ics practical astronomy survey", "the patrick abcs practical astronomy survey", "the patrick metrics practical astronomy survey", "the patrick mons practical astronomy survey", "the patrick michel practical astronomy survey", "the patrick maill practical astronomy survey"
"the patrick micro practical astronomy survey" » "the patrick micro optical astronomy survey", "the patrick micro positional astronomy survey", "the patrick micro practical astronomy surveys", "the patrick micro practical autonomy survey", "the patrick micro practical astronomy surveying", "the patrick micro practice astronomy survey", "the patrick micro didactical astronomy survey", "the patrick micro political astronomy survey", "the patrick michel practical astronomy survey", "the patrick milton practical astronomy survey", "the patrick moore practical astronomy survey"
"the patrick logs nautical astronomy sergey" » "the patrick logs nautical astronomy surveys", "the patrick logs nautical astronomy seven", "the patrick logs nautical astronomy large", "the patrick nos nautical astronomy sergey", "the patrick hoc nautical astronomy sergey", "the patrick lord nautical astronomy sergey", "the patrick l.s nautical astronomy sergey", "the patrick love nautical astronomy sergey"
"the patrick some nautical astronomy sergey" » "the patrick some nautical astronomy surveys", "the patrick some nautical astronomy seven", "the patrick some nautical astronomy large", "the patrick some analytical astronomy sergey", "the patrick some practical astronomy sergey", "the patrick some critical astronomy sergey", "the patrick home nautical astronomy sergey", "the patrick sole nautical astronomy sergey", "the trick some 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 practical astronomy survey") OR ((("the patrick mics practical astronomy survey") OR ("the patrick micro practical astronomy survey"))))) OR ((("the patrick logs nautical astronomy sergey") OR ("the patrick some nautical astronomy sergey")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moocs practical astronomy survey\") or (((\"the patrick mics practical astronomy survey\") OR (\"the patrick micro practical astronomy survey\"))))) or (((\"the patrick logs nautical astronomy sergey\") or (\"the patrick some nautical astronomy sergey\"))))".
• Removing quotes may allow a broader search: (((( the patrick moocs practical astronomy survey ) or ((( the patrick mics practical astronomy survey ) OR ( the patrick micro practical astronomy survey ))))) or ((( the patrick logs nautical astronomy sergey ) or ( the patrick some nautical astronomy sergey )))).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick moocs practical astronomy survey") or ((("the patrick mics practical astronomy survey") OR ("the patrick micro practical astronomy survey"))))) or ((("the patrick logs nautical astronomy sergey") or ("the patrick some nautical astronomy sergey"))))*.