Perhaps you should try some spelling variations:
"surfaces and interfaces, than films" » "surfaces and interfaces, thin films", "surfaces and interfaces, gan films", "surfaces and interfaces, fhin films"
"surface and interfaces, than films" » "surface and interfaces, thin films", "surface and interfaces, gan films", "surface and interfaces, fhin films"
"surface and interfaces, tin films" » "surface and interfaces, thin films", "surface and interfaces, n films"

Try widening your search to All Fields.

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• If you are trying to use Boolean operators, they must be ALL CAPS: (("surfaces and interfaces, than films") OR ((("surface and interfaces, than films") OR ("surface and interfaces, tin films")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"surfaces and interfaces, than films\") or (((\"surface and interfaces, than films\") OR (\"surface and interfaces, tin films\"))))".
• Removing quotes may allow a broader search: (( surfaces and interfaces, than films ) or ((( surface and interfaces, than films ) OR ( surface and interfaces, tin films )))).
• Adding a wildcard symbol may retrieve word variants: (("surfaces and interfaces, than films") or ((("surface and interfaces, than films") OR ("surface and interfaces, tin films"))))*.