Perhaps you should try some spelling variations:
"advances in chemistry specimen" » "advances in chemistry species", "advances in chemistry sediment", "advances in chemistry special"
"Advances in chemistry spaces" » "Advances in chemistry space", "Advances in chemistry species", "Advances in chemistry snakes"

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"Advances in chemistry spaces\") OR (\"advances in chemistry specimen\"))".
• Removing quotes may allow a broader search: (( Advances in chemistry spaces ) OR ( advances in chemistry specimen )).
• Adding a wildcard symbol may retrieve word variants: (("Advances in chemistry spaces") OR ("advances in chemistry specimen"))*.