Perhaps you should try some spelling variations:
"advances in chemistry studies" » "advances in chemical studies"
"advances in chemistry series" » "advances in chemistry species", "advances in chemistry sources", "advances in chemistry erich"
"Advances in clinical studies" » "Advances in empirical studies"

Try widening your search to All Fields.

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