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"

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 specimen") OR ("advances in chemistry special"))*.
• Removing quotes may allow a broader search: (( advances in chemistry specimen ) or ( advances in chemistry special ))*.