Perhaps you should try some spelling variations:
"partially accelerated" » "partially correlated", "partially integrated", "naturally accelerate"
"particle accelerator" » "particle acceleration"
"particle accelerators" » "particle accelerations", "particle acceleration", "particle accelerating"
"particle accelerated" » "particles accelerated", "particle acceleraton", "particle acceleration", "particles acceleratedd", "particle acceleratond", "particle accelerationd"
"particle accelerate" » "particles accelerated", "particle acceleraton", "particle acceleration"

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 accelerate") OR ("partially accelerated"))) OR ((("particle accelerated") OR ("particle accelerators")))))).
• Removing quotes may allow a broader search: (( particle accelerator ) or ((((( particle accelerate ) or ( partially accelerated ))) or ((( particle accelerated ) or ( particle accelerators )))))).
• Adding a wildcard symbol may retrieve word variants: (("particle accelerator") or ((((("particle accelerate") or ("partially accelerated"))) or ((("particle accelerated") or ("particle accelerators"))))))*.