Perhaps you should try some spelling variations:
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"spatial science series b:, physics" » "social science series b:, physics", "spatial science services b:, physics", "spatial science stories b:, physics", "spatial science theories b:, physics", "spatial science series 2:, physics", "spatial science series 1:, physics", "spatial science series 10:, physics"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"national science series b:, physics\") OR (\"spatial science series b:, physics\"))".
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