Perhaps you should try some spelling variations:
"partially accelerated" » "partially correlated", "partially integrated", "naturally accelerate"
"particle accelerated" » "particles accelerated", "practice accelerated", "particles acceleration"
"particle acceleraton" » "particles acceleration", "particle accelerations", "pareticle acceleration"
"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 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 acceleration\"))) or (((((\"particle accelerated\") or (\"partially accelerated\"))) or (\"particle acceleraton\"))))))*".
• Removing quotes may allow a broader search: (( particle accelerator ) or ((((( particle accelerators ) OR ( particle acceleration ))) or ((((( particle accelerated ) or ( partially accelerated ))) or ( particle acceleraton ))))))*.