Perhaps you should try some spelling variations:
"nato arw series, series e: applied sciences" » "nato a series, series e: applied sciences", "nato new series, series e: applied sciences", "nato 3rd series, series e: applied sciences", "nato arw series, series 1: applied sciences", "nato arw series, series 10: applied sciences", "nato arw series, series 11: applied sciences", "nato arw series, series e: applied science"
"nano arw series, series e: applied sciences" » "nano a series, series e: applied sciences", "nano new series, series e: applied sciences", "nano 3rd series, series e: applied sciences", "nano arw series, series 1: applied sciences", "nano arw series, series 10: applied sciences", "nano arw series, series 11: applied sciences", "nano art series, series e: applied sciences", "nano agro series, series e: applied sciences", "nano ag series, series e: applied sciences", "nano arw series, series e: applied science"

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• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"nato arw series, series e: applied sciences\") OR (\"nano arw series, series e: applied sciences\"))".
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