Perhaps you should try some spelling variations:
"advances in chemistry courses" » "advanced in chemistry courses", "advances in chemistry course"
"advances in chemistry metrics" » "advanced in chemistry metrics"
"advances in chemistry action" » "advanced in chemistry action"
"advances in chemistry species" » "advanced in chemistry species"

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