Perhaps you should try some spelling variations:
"experimental fluids" » "experimental flukes", "experimental flames", "experimental fludex"
"experimental films" » "experimental film", "experimental field", "experimental forest"
"experimental facts" » "experimental aspects", "experimental facilities"

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 fluid") OR ((((("experimental films") OR ("experimental facts"))) OR ("experimental fluids")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"experimental fluid\") or (((((\"experimental films\") OR (\"experimental facts\"))) or (\"experimental fluids\"))))".
• Removing quotes may allow a broader search: (( experimental fluid ) or ((((( experimental films ) OR ( experimental facts ))) or ( experimental fluids )))).
• Adding a wildcard symbol may retrieve word variants: (("experimental fluid") or ((((("experimental films") OR ("experimental facts"))) or ("experimental fluids"))))*.