Perhaps you should try some spelling variations:
"particle accelerations" » "particles acceleration", "particle concentrations", "particelle acceleratori"
"partially accelerated" » "partially correlated", "partially integrated", "naturally accelerate"
"particle accelerated" » "particles accelerated", "practice accelerated", "particles acceleration"
"particle acceleraton" » "particles acceleration", "pareticle acceleration", "particles accelerated"
"particle accelerators" » "particle accelerate", "particle accelerating"

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: (((("particle accelerator") OR ("particle accelerators"))) OR ((((("particle accelerations") OR ("particle acceleration"))) OR ((((("particle accelerated") OR ("partially accelerated"))) OR ("particle acceleraton")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"particle accelerator\") OR (\"particle accelerators\"))) or (((((\"particle accelerations\") or (\"particle acceleration\"))) or (((((\"particle accelerated\") or (\"partially accelerated\"))) or (\"particle acceleraton\"))))))".
• Removing quotes may allow a broader search: (((( particle accelerator ) OR ( particle accelerators ))) or ((((( particle accelerations ) or ( particle acceleration ))) or ((((( particle accelerated ) or ( partially accelerated ))) or ( particle acceleraton )))))).
• Adding a wildcard symbol may retrieve word variants: (((("particle accelerator") OR ("particle accelerators"))) or ((((("particle accelerations") or ("particle acceleration"))) or ((((("particle accelerated") or ("partially accelerated"))) or ("particle acceleraton"))))))*.