Perhaps you should try some spelling variations:
"advances in chemistry studies" » "advances in chemical studies"
"advances in chemistry special" » "advances in chemistry social", "advances in chemistry chemical", "advances in chemistry section"
"advances in chemistry africa" » "advances in chemistry metrics", "advances in chemistry after", "advances in chemistry atomic"

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