Perhaps you should try some spelling variations:
"experimental fields" » "experimental films", "experimental yield", "experimental film", "experimental fluids"
"experimental field" » "experimental fluid"
"experimental facts" » "experimental aspects", "experimental facilities", "experimental fluid"

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: (("experimental field") OR ((("experimental facts") OR ("experimental fields")))).
• Removing quotes may allow a broader search: (( experimental field ) or ((( experimental facts ) or ( experimental fields )))).
• Adding a wildcard symbol may retrieve word variants: (("experimental field") or ((("experimental facts") or ("experimental fields"))))*.