Perhaps you should try some spelling variations:
"experimental fields" » "experimental field", "experimental yield", "experimental fishes"
"experimental films" » "experimental facts", "experimental field", "experimental forest", "experimental fields", "experimental factss", "experimental facilitys"
"experimental fires" » "experimental fire", "experimental forest", "experimental fishes"
"experimental film" » "experimental field", "experimental facts", "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 films") OR ((("experimental fields") OR ("experimental fires")))))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"experimental film\") or (\"experimental fluid\"))) or (((\"experimental films\") or (((\"experimental fields\") OR (\"experimental fires\"))))))".
• Removing quotes may allow a broader search: (((( experimental film ) or ( experimental fluid ))) or ((( experimental films ) or ((( experimental fields ) OR ( experimental fires )))))).
• Adding a wildcard symbol may retrieve word variants: (((("experimental film") or ("experimental fluid"))) or ((("experimental films") or ((("experimental fields") OR ("experimental fires"))))))*.