Perhaps you should try some spelling variations:
"function gases using tools" » "function spaces using tools", "functions based using tools", "function systems using tools"
"fusion based using tools" » "motion based using tools", "design based using tools", "fusion based nursing tools", "fusion based testing tools"
"deim based using tools" » "deim based nursing tools", "deim based testing tools", "device based using tools", "design based using tools"

Try widening your search to All Fields.

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

• Performing a fuzzy search may retrieve terms with similar spellings: (("function gases using tools") or ((("fusion based using tools") or ("deim based using tools"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("function gases using tools") OR ((("fusion based using tools") OR ("deim based using tools")))).
• Removing quotes may allow a broader search: (( function gases using tools ) or ((( fusion based using tools ) or ( deim based using tools )))).
• Adding a wildcard symbol may retrieve word variants: (("function gases using tools") or ((("fusion based using tools") or ("deim based using tools"))))*.