Perhaps you should try some spelling variations:
"function spaces fp tool" » "function systems fp tool", "function spaces _ tool"
"function spaces hs tool" » "function systems hs tool", "function spaces _ tool"
"pension system using tools" » "pension systems using tools", "suspension system using tools", "fusion system using tools"

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (("pension system using tools") or ((("function spaces fp tool") or ("function spaces hs tool"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("pension system using tools") OR ((("function spaces fp tool") OR ("function spaces hs tool"))))*.
• Removing quotes may allow a broader search: (( pension system using tools ) or ((( function spaces fp tool ) or ( function spaces hs tool ))))*.