Perhaps you should try some spelling variations:
"advances in chemistry specimen" » "advances in chemistry species", "advances in chemistry sediment", "advances in chemistry specific"
"Advances in chemistry special" » "Advances in chemistry social", "Advances in chemistry chemical", "Advances in chemistry section"

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