Perhaps you should try some spelling variations:
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"nato science studies 10:, physics" » "nato science study 10:, physics", "nato defence studies 10:, physics", "radio science studies 10:, physics", "national science studies 10:, physics", "nato science studies 1:, physics", "nato science studies 11:, physics", "nato science studies 2:, physics"
"animal science series 10:, physics" » "animal science services 10:, physics", "animal science theories 10:, physics", "animal sciences serious 10:, physics", "animal science series 1:, physics", "animal science series 3:, physics", "animal science series 2:, physics"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("nato science stories 10:, physics") OR ("nato science studies 10:, physics"))) OR ("animal science series 10:, physics")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"nato science stories 10:, physics\") OR (\"nato science studies 10:, physics\"))) or (\"animal science series 10:, physics\"))".
• Removing quotes may allow a broader search: (((( nato science stories 10:, physics ) OR ( nato science studies 10:, physics ))) or ( animal science series 10:, physics )).
• Adding a wildcard symbol may retrieve word variants: (((("nato science stories 10:, physics") OR ("nato science studies 10:, physics"))) or ("animal science series 10:, physics"))*.