Perhaps you should try some spelling variations:
"design based using tools" » "device based using tools", "deim based using tools", "fusion based using tools", "design based nursing tools", "design based testing tools"
"functions based using tools" » "functions based nursing tools", "functions based testing tools", "function based using tools"
"deim gases using tools" » "deim spaces using tools", "deim 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: (("functions based using tools") or ((("design based using tools") or ("deim gases using tools"))))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (("functions based using tools") OR ((("design based using tools") OR ("deim gases using tools")))).
• Removing quotes may allow a broader search: (( functions based using tools ) or ((( design based using tools ) or ( deim gases using tools )))).
• Adding a wildcard symbol may retrieve word variants: (("functions based using tools") or ((("design based using tools") or ("deim gases using tools"))))*.