Perhaps you should try some spelling variations:
practical astronomy » nautical astronomy, optical astronomy, positional astronomy
astronomy series » astronomy sergey, gastronomy services, astronomy survives
more practical » some practical
22the patrick » father patrick, bate patrick, he patrick
late patrick » love patrick, lattin patrick, home patrick

Try widening your search to All Fields.

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• The words AND, OR and NOT may confuse the search; try adding quotes: "%((22the patrick) OR (late patrick)) more practical astronomy series%22".
• Adding a wildcard symbol may retrieve word variants: %((22the patrick) OR (late patrick)) more practical astronomy series%22*.