Perhaps you should try some spelling variations:
"particle accelerating" » "particle accelerations", "particle acceleraton", "particles acceleration"
"particles application" » "particular application", "partial application", "principles application"
"particle accelerate" » "particles accelerated", "particle acceleraton", "practice accelerate"
"particle accelerators" » "particle accelerated"

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