Perhaps you should try some spelling variations:
"advances in chemistry courses" » "advances in chemistry current"
"advances in chemistry studies" » "advances in chemistry study", "advances in chemical studies"
"advances in chemistry sars" » "advances in chemistry sets", "advances in chemistry spps", "advances in chemistry sr"

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