Perhaps you should try some spelling variations:
"advances in chemistry current" » "advances in chemistry recent"
"advances in chemistry studies" » "advances in chemistry study", "advances in chemical studies"
"advances in chemistry africa" » "advances in chemistry metrics", "advances in chemistry after", "advances in chemistry atomic"

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