Perhaps you should try some spelling variations:
"surface and surface science, than films" » "surface and surface science, thin films", "surface and surface science, fhin films", "surface and surface science, ten films"
"surface and surface science, gan films" » "surface and surface science, n films", "surface and surface science, aln films", "surface and surface science, c:n films"
"surface and surface science, tin films" » "surface and surface science, thin films", "surface and surface science, n films"

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: (((("surface and surface science, than films") OR ("surface and surface science, gan films"))) OR ("surface and surface science, tin films")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"surface and surface science, than films\") OR (\"surface and surface science, gan films\"))) or (\"surface and surface science, tin films\"))".
• Removing quotes may allow a broader search: (((( surface and surface science, than films ) OR ( surface and surface science, gan films ))) or ( surface and surface science, tin films )).
• Adding a wildcard symbol may retrieve word variants: (((("surface and surface science, than films") OR ("surface and surface science, gan films"))) or ("surface and surface science, tin films"))*.