Perhaps you should try some spelling variations:
"mathematical sciences research contributions publications" » "mathematical sciences research contributors publications", "mathematical sciences research contributions applications", "mathematical sciences research contributions implications", "mathematical science research contributions publications"
"mathematical services research institutions publications" » "mathematical services research institutional publications", "mathematical services research institutions implications", "mathematical services research institutions applications", "mathematical service research institutions publications", "mathematical surfaces research institutions publications", "mathematical surprises research institutions publications", "mathematical services research institutes publications", "mathematical services research institute publications", "mathematical services research implications publications"

Try widening your search to All Fields.

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: (("mathematical services research institutions publications") OR ("mathematical sciences research contributions publications")).
• Removing quotes may allow a broader search: (( mathematical services research institutions publications ) or ( mathematical sciences research contributions publications )).
• Adding a wildcard symbol may retrieve word variants: (("mathematical services research institutions publications") or ("mathematical sciences research contributions publications"))*.