Perhaps you should try some spelling variations:
"advances in chemistry studies" » "advances in chemistry study", "advances in chemical studies"
"advances in chemistry section" » "advances in chemistry education", "advances in chemistry social"
"advances in chemistry ethics" » "advances in chemistry metrics", "advances in chemistry methods", "advances in chemistry basics"

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