Perhaps you should try some spelling variations:
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"the patrick mpondo practical astronomy survives" » "the patrick mpondo nautical astronomy survives", "the patrick mpondo optical astronomy survives", "the patrick mpondo positional astronomy survives", "the patrick mpondo practical astronomy survey", "the patrick mpondo practical astronomy surveys", "the patrick mpondo practical astronomy studies", "the patrick upon practical astronomy survives", "the patrick bonds practical astronomy survives", "the patrick bono practical astronomy survives", "the patricia opondo practical astronomy survives", "the patrick bond practical astronomy survives"
"the patrick moore practical astronomy study" » "the patrick moore nautical astronomy study", "the patrick moore optical astronomy study", "the patrick moore positional astronomy study", "the patrick more practical astronomy study", "the patrick moocs practical astronomy study", "the patrick mouse practical astronomy study", "the patrick moore practical astronomy studies", "the patrick moore practical astronomy south", "the patrick moore practical astronomy star"

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• If you are trying to use Boolean operators, they must be ALL CAPS: (((("the patrick mons practical astronomy survives") OR ("the patrick mpondo practical astronomy survives"))) OR ("the patrick moore practical astronomy study")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"the patrick mons practical astronomy survives\") OR (\"the patrick mpondo practical astronomy survives\"))) or (\"the patrick moore practical astronomy study\"))".
• Removing quotes may allow a broader search: (((( the patrick mons practical astronomy survives ) OR ( the patrick mpondo practical astronomy survives ))) or ( the patrick moore practical astronomy study )).
• Adding a wildcard symbol may retrieve word variants: (((("the patrick mons practical astronomy survives") OR ("the patrick mpondo practical astronomy survives"))) or ("the patrick moore practical astronomy study"))*.