Perhaps you should try some spelling variations:
"national science series 1:, applied sciences" » "natural science series 1:, applied sciences", "animal science series 1:, applied sciences", "natural sciences series 1:, applied sciences", "national science services 1:, applied sciences", "national science stories 1:, applied sciences", "national science theories 1:, applied sciences", "national science series 3:, applied sciences", "national science series 2:, applied sciences"
"spatial science series 10:, applied sciences" » "social science series 10:, applied sciences", "spatial science services 10:, applied sciences", "spatial science stories 10:, applied sciences", "spatial science theories 10:, applied sciences", "spatial science series 3:, applied sciences", "spatial science series 2:, applied sciences", "spatial science series 30:, applied sciences", "spatial science series 20:, applied sciences"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("national science series 1:, applied sciences") OR ("spatial science series 10:, applied sciences")).
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