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 surveying", "the patrick moocs practical astronomy survives", "the patrick moocs practical astronomy sergey", "the patrick moocs practical astronomy sergeys", "the patrick moocs practical autonomy surveys", "the patrick moocs practical astronomy surveyings", "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 moocs practical astronomy survey" » "the patrick moocs optical astronomy survey", "the patrick moocs positional astronomy survey", "the patrick moocs practical astronomy sergey", "the patrick moocs practical autonomy survey", "the patrick moocs practical astronomy surveying", "the patrick books practical astronomy survey", "the patrick mics practical astronomy survey", "the patrick colts practical astronomy survey", "the patrick moore practical astronomy survey", "the patrick mons practical astronomy survey", "the patrick moyes practical astronomy survey"
"the patrick moraes nautical astronomy surveys" » "the patrick moraes nautical astronomy surveying", "the patrick moraes nautical astronomy survives", "the patrick moraes nautical astronomy sergey", "the patrick moraes nautical astronomy sergeys", "the patrick moraes nautical autonomy surveys", "the patrick moraes nautical astronomy surveyings", "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.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("the patrick moocs practical astronomy surveys") OR ("the patrick moocs practical astronomy survey"))) OR ("the patrick moraes nautical astronomy surveys")).
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