Perhaps you should try some spelling variations:
"advances in chemistry surfaces" » "advances in chemistry surface", "advances in chemistry sources", "advances in chemistry space"
"advances in chemistry studies" » "advances in chemistry study", "advances in chemical studies"
"advances in chemistry erich" » "advances in chemistry metrics", "advances in chemistry africa", "advances in chemistry ethics"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"advances in chemistry erich\") OR (\"advances in chemistry studies\"))) OR (\"advances in chemistry surfaces\"))".
• Removing quotes may allow a broader search: (((( advances in chemistry erich ) OR ( advances in chemistry studies ))) OR ( advances in chemistry surfaces )).
• Adding a wildcard symbol may retrieve word variants: (((("advances in chemistry erich") OR ("advances in chemistry studies"))) OR ("advances in chemistry surfaces"))*.