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

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