Perhaps you should try some spelling variations:
"advances in chemistry chemical" » "advances in chemistry physical", "advances in chemistry technical"
"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.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("advances in chemistry spaces") OR ("advances in chemistry chemical")).
• Removing quotes may allow a broader search: (( advances in chemistry spaces ) or ( advances in chemistry chemical )).
• Adding a wildcard symbol may retrieve word variants: (("advances in chemistry spaces") or ("advances in chemistry chemical"))*.