Perhaps you should try some spelling variations:
"function spaces a tool" » "function systems a tool", "function spaces _ tool", "function spaces fp tool", "function spacex va tool"
"function spaces hs tool" » "function systems hs tool", "function spaces _ tool", "function spaces fp 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 a 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 a tool") OR ("function spaces hs tool"))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"pension system using tools\") or (((\"function spaces a tool\") OR (\"function spaces hs tool\"))))*".
• Removing quotes may allow a broader search: (( pension system using tools ) or ((( function spaces a tool ) OR ( function spaces hs tool ))))*.