Perhaps you should try some spelling variations:
"experimental yield" » "experimental field", "experiments field", "experimental time"
"experimental films" » "experimental facts", "experimental field", "experimental forest", "experimental fields", "experimental fluids", "experimental factss"
"experimental film" » "experimental field", "experimental fluid", "experimental facts"

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