Perhaps you should try some spelling variations:
"Advances in chemistry surface" » "Advances in chemistry space", "Advances in chemical surface", "Advances in chemistry summary"
"advances in chemistry sources" » "advances in chemistry courses", "advances in chemistry surfaces", "advances in chemistry studies"

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: (("Advances in chemistry surface") OR ("advances in chemistry sources")).
• Removing quotes may allow a broader search: (( Advances in chemistry surface ) or ( advances in chemistry sources )).
• Adding a wildcard symbol may retrieve word variants: (("Advances in chemistry surface") or ("advances in chemistry sources"))*.