Perhaps you should try some spelling variations:
"advances in chemistry courses" » "advances in chemistry current"
"advances in chemistry series" » "advances in chemistry species", "advances in chemistry studies", "advances in chemistry sources"

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