Perhaps you should try some spelling variations:
"particles accelerated" » "particles acceleration", "partially accelerated", "particle acceleration"
"particle accelerator" » "particle acceleration"
"particle accelerators" » "particle accelerations", "particle acceleration", "particle accelerating"
"particle acceleraton" » "particle acceleration", "particles acceleration", "particle accelerations"
"lattices accelerated" » "matrices accelerated", "devices accelerated", "lattices generated"
"particle accelerate" » "particle acceleration", "practice accelerate", "particles 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 accelerators") OR ("particle accelerate"))) OR ((("particle acceleraton") OR ((("particles accelerated") OR ("lattices accelerated")))))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"particle accelerator\") or (((((\"particle accelerators\") or (\"particle accelerate\"))) or (((\"particle acceleraton\") or (((\"particles accelerated\") OR (\"lattices accelerated\"))))))))".
• Removing quotes may allow a broader search: (( particle accelerator ) or ((((( particle accelerators ) or ( particle accelerate ))) or ((( particle acceleraton ) or ((( particles accelerated ) OR ( lattices accelerated )))))))).
• Adding a wildcard symbol may retrieve word variants: (("particle accelerator") or ((((("particle accelerators") or ("particle accelerate"))) or ((("particle acceleraton") or ((("particles accelerated") OR ("lattices accelerated"))))))))*.