Perhaps you should try some spelling variations:
"the patrick moore practical astronomy surveys" » "the patrick moore nautical astronomy surveys", "the patrick moore optical astronomy surveys", "the patrick moore practical astronomy survey", "the patrick moore practical astronomy surveying", "the patrick moore practical astronomy survives", "the patrick more practical astronomy surveys", "the patrick mouse practical astronomy surveys", "the patrick course practical astronomy surveys"
"the patrick moocs practical astronomy surveys" » "the patrick moocs nautical 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 survives", "the patrick books practical astronomy surveys", "the patrick mics practical astronomy surveys", "the patrick colts practical astronomy surveys", "the patrick mons practical astronomy surveys", "the patrick moyes practical astronomy surveys", "the patrick moore's practical astronomy surveys"
"the patrick gene positional astronomy sergey" » "the patrick gene positional astronomy survey", "the patrick gene positional astronomy seven", "the patrick gene positional astronomy large", "the patrick game positional astronomy sergey", "the patrick gene position astronomy sergey", "the patrick guenon positional astronomy sergey", "the patrick glenn positional astronomy sergey", "the patrick penel positional astronomy sergey", "the patrick anne positional astronomy sergey"

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 moore practical astronomy surveys") OR ("the patrick moocs practical astronomy surveys"))) OR ("the patrick gene positional astronomy sergey")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick moore practical astronomy surveys\") OR (\"the patrick moocs practical astronomy surveys\"))) or (\"the patrick gene positional astronomy sergey\"))".
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• Adding a wildcard symbol may retrieve word variants: (((("the patrick moore practical astronomy surveys") OR ("the patrick moocs practical astronomy surveys"))) or ("the patrick gene positional astronomy sergey"))*.