Perhaps you should try some spelling variations:
"partially accelerated" » "partially correlated", "partially integrated", "partially averaged"
"particles accelerated" » "particles acceleration", "lattices accelerated", "particle acceleraton"
"particles application" » "particular application", "partial application", "principles application"
"particle accelerator" » "particle acceleration"
"particle accelerators" » "particle accelerations", "particle acceleration", "particle accelerating"
"naturally accelerate" » "naturally regenerated"

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